Filed June 25, 2020

Serial No. 79298495

Registered June 22, 2021

Registration No. 6,392,056

Class Scale removing preparations, namely, chemical preparations for preventing scale formation in heating and cooling systems, chemical solutions in the nature of multimetal corrosion and scale inhibitor treatments for hydronic heating and cooling systems; flushing agents in the nature of flushing chemicals for flushing contaminants from heating and cooling systems; chemical preparations for preventing scale formation in heating and cooling systems; conditioners in the nature of anti-freeze for heating and cooling systems; anti-freezing preparations; substances for protection against frost and ice being anti-freezing and de-icing preparations; protective coatings in the form of probiotic bacterial preparations for the protection of HVAC-R installations, apparatus and equipment, other than for medical and veterinary use; protective coatings, namely, coatings for repelling water in the nature of spray-on and water soluble concentrated compounds comprised of waterproofing chemical compositions for use in HVAC-R systems for protection against the effects of water; rust inhibitors and radiator additives to prevent rust in heating and cooling systems; chemical products for preventing scale formation, scale removing preparations in the nature of descaling preparations for use in HVAC-R applications, not for household use; 001; 005; 006; 010; 026; 046; 001; 004; 006; 050; 051; 052; 005; 006; 018; 044; 046; 051; 052