11
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`CLAIMS
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`UF.827P
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`1.
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`A poly(non-conjugated diene) based sunscreen comprising of a plurality of at
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`least one repeating unit comprising at least one UV absorbing chromophore situated between two
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`mono-ene units, said mono-ene units and a chromophore unit comprising said UV absorbing
`
`chromophore wherein said mono-ene units and said chromophore unit being connected by
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`chains.
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`2.
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`The sunscreens of claim 1, wherein said UV absorbing chromophore absorbslight
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`in the UVA or UVBregionofthe electromagnetic spectrum.
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`3.
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`The sunscreen of claim 1, wherein said UV absorbing chromophore comprises an
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`10
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`equivalent conjugated group derived from Aminobenzoic acid, Avobenzone, Cinoxate,
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`Dioxybenzone, Homosalate, Menthyl anthranilate, Octocrylene, Octyl methoxycinnamate, Octyl
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`salicylate, Oxybenzone, Padimate O, Phenylbenzimidazole sulfonic acid, Sulisobenzone,
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`Trolamine salicylate, Ecamsule, Phenylbenzimidazole sulfonic acid, 4-Methylbenzylidene
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`camphor, Bisoctrizole, Bemotrizinol, Bisdisulizole
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`disodium, Drometrizole
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` trisiloxane,
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`15
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`Benzophenone-9, Ethylhexyl
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`triazone, Diethylamino
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`hydroxybenzoyl
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`hexyl
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`benzoate,
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`Iscotrizinol, or lsoamyl p-Methoxycinnamate.
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`units.
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`4.
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`5.
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`The sunscreen of claim 1, wherein said chains comprise a plurality of methylene
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`The sunscreen of claim 1, wherein said chromophore unit comprises said UV
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`20
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`absorbing chromophoreanda bridging group.
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`6.
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`The sunscreen of claim 5, wherein said bridging group comprises an alkylene
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`group and a linking functionality, wherein said linking functionality comprises a residue of an
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`addition or a condensation reaction between functionality on said alkylene group and said UV
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`absorbing chromophore.
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`25
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`7.
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`The sunscreen of claim 1, wherein said UV absorbing chromophores are
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`periodically placed along the chain of said poly(non-conjugated diene) based sunscreen.
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`8.
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`The sunscreen of claim 1, wherein said UV absorbing chromophoresare quasi-
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`periodically placed along the chain of said poly(non-conjugated diene) based sunscreen.
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`UF.827P
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`9.
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`The sunscreen of claim 1, wherein said UV absorbing chromophores are pseudo-
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`randomly placed along the chain of said poly(non-conjugated diene) based sunscreen.
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`10.
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`The sunscreen of claim 1, further comprising functionality to impart substantive
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`properties, dispersivity, and/or an ability to specifically interact with particles or chemicals in at
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`least one of said plurality of repeating units or as a group attached to at least one terminal ene
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`unit of said plurality of repeating units.
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`11.
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`A monomer for preparation of a poly(non-conjugated diene) based sunscreens
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`comprising two terminal ene units and a chromophore unit comprising at least one UV absorbing
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`chromophore being connected by chains to said terminal ene units, wherein said UV absorbing
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`10
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`chromophore absorbslight in the UVA and/or UVBregion ofthe electromagnetic spectrum.
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`12.
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`The monomer of claim 11, wherein said UV absorbing chromophore comprises an
`
`equivalent conjugated group as Aminobenzoic acid, Avobenzone, Cinoxate, Dioxybenzone,
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`Homosalate, Menthyl anthranilate, Octocrylene, Octyl methoxycinnamate, Octyl salicylate,
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`Oxybenzone, Padimate O, Phenylbenzimidazole sulfonic acid, Sulisobenzone, Trolamine
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`15
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`salicylate, Ecamsule, Phenylbenzimidazole
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`sulfonic acid, 4-Methylbenzylidene camphor,
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`Bisoctrizole, Bemotrizinol, Bisdisulizole disodium, Drometrizole trisiloxane, Benzophenone-9,
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`Ethylhexyl triazone, Diethylamino hydroxybenzoyl hexyl benzoate, Iscotrizinol, or Isoamyl p-
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`Methoxycinnamate.
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`13.
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`The monomerof claim 11, wherein said chains comprise a plurality of methylene
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`20
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`units.
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`14,
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`The monomer of claim 11, wherein said chromophore unit comprising said UV
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`absorbing chromophore comprises said UV absorbing unit and a bridging group.
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`15.
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`The monomerof claim 14, wherein said bridging group comprises an alkylene
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`group and a linking functionality, wherein said linking functionality comprises a residue of an
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`25
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`addition or a condensation reaction between functional groups of said alkylene group and said
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`UV absorbing chromophore.
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`16.
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`The monomer of claim 11, wherein said chains are of equal
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`length and
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`composition.
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`17,
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`The monomer of claim 11, wherein said chains are of different lengths and
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`composition.
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`18.
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`The monomer of claim 11, further comprising functionality to impart substantive
`
`properties, dispersivity, and/or an ability to specifically interact with particles or chemicals.
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`19.
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`A method of preparing a poly(non-conjugated diene) based sunscreens
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`comprising the steps of:
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`providing a plurality of at least one monomer comprising two terminal ene
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`units and a chromophore unit comprising at least one UV absorbing chromophore wherein said
`
`chromophore unit and said terminal ene units are connected by chains and wherein said at least
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`10
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`one UV absorbing chromophore independently absorbs light in the UVA and/or UVBregion of
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`the electromagnetic spectrum;
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`providing a catalyst to promote acyclic olefin metathesis;
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`combining said catalyst with said monomers; and
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`removing ethylene until a desired molecular weight is achieved.
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`15
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`20.
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`The method of claim 19, wherein said catalyst comprises Schrock’s catalyst or
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`Grub’s catalyst.
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`21,
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`A sunscreen drug product comprising a poly(non-conjugated diene) comprising a
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`plurality of at least one repeating unit comprising at least one UV absorbing chromophore
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`situated between two mono-ene units, said mono-ene units and a unit comprising said UV
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`20
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`absorbing chromophore being connected by chains, wherein said at least one UV absorbing
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`chromophore independently absorbs light in the UVA and/or UVBregion ofthe electromagnetic
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`spectrum and a vehicle.
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`22.
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`The sunscreen drug product of claim 21, wherein said vehicle comprises a solvent
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`for said poly(non-conjugated diene).
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`25
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`23.
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`The sunscreen drug product of claim 21, wherein said vehicle comprises non-
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`solvent for said poly(non-conjugated diene) and a dispersing agent.
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`24.
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`A method to prevent sunburn comprisingthe steps of:
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`providing a poly(non-conjugated diene) based sunscreen; and
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`applying said poly(non-conjugated diene) based sunscreen to skin.
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`25.
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`The method of claim 24, wherein said poly(non-conjugated diene) based
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`sunscreen is provided as a componentof a fluid comprising a solution or a dispersion.
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