Inventor

RAVICHANDRAN RAMANATHAN

US146 patents

⚠️ This page may combine multiple inventors who share the name “RAVICHANDRAN RAMANATHAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RAVICHANDRAN RAMANATHAN

CIBA GEIGY CORP

Polyolefin compositions stabilized with NOR-substituted hindered amines

Polymer stabilizers containing both hindered amine and hydroxylamine moieties

2-(2-hydroxy-3-α cumyl-5-tert nonyl or dodecyl phenyl)-2H- Benzotriazole UV Absorbers

Crystalline form of 2-(2-hydroxy-3-α-cumyl-5-tert-octylphenyl)-2H-benzotriazole

Electro coat/base coat/clear coat finishes stabilized with soluble and thermally stable benzotriazole UV absorbers

2-(2-hydroxy-3-α-cumyl-5-nonylor 5-dodecylphenyl)-2H-benzotriazole

Compositions stabilized with 5-thio-substituted benzotriazole UV-absorbers

Compositions stabilized with 5-sulfonyl-substituted benotriazole UV-absorbers

Electro coat/base coat/clear coat finishes stabilized with S-triazine UV absorbers

5-sulfonyl-substituted benzotriazole UV-absorbers

5-thio-substituted benzotriazole UV-absorbers

Non-migrating 1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidine 1,3,5-triazine derivatives

Non-migrating 1-hydrocarbyloxy hindered amine derivatives as polymer stabilizers

Polyolefin compositions stabilized with long chain N,N-dialkylhydroxylamines

Compositions stabilized with N-hydroxyiminodiacetic and dipropionic acids and esters thereof

Red-shifted tris-aryl-s-triazines and compositions stabilized therewith

Red-shifted tris-aryl-s-triazines and compositions stabilized therewith

Long chain N,N,-dialkylhydroxylamines and stabilized compositions

Compounds containing both UV-absorber and 1-hydrocarbyloxy hindered amine moieties and stabilized compositions

Polymer stabilizers containing both hindered amine and nitrone moieties

Alkylated N,N-dibenzylhydroxylamines and polyolefin compositions stabilized therewith

Compositions stabilized with ethers of di- and tri-substituted hydroxylamines

Bis(substituted thioalkyl)hydroxylamines and stabilized polyolefin compositions

Compositions stabilized with red-shifted tris-aryl-s-triazines

S-triazine UV absorbers substituted by a sulfur-containing moiety

Non-migrating 1-hydrocarbyloxy hindered amine derivatives as polymer stabilizers

Non-migrating 1-hydrocarbyloxy-2,2,6,6-tetramethylpiperdine 1,3,5-triazine derivatives as polymer stabilizers

Ethylenically unsaturated compounds containing 1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidine moieties, and polymers, copolymers and stabilized compositions

Long chain N-alkyl-alpha-alkyl nitrones and polyolefin compositions stabilized therewith

Polyhydroxylamines

Gas fade resistant stabilizer system for polypropylene fiber

CIBA SC HOLDING AG

Benzotriazole UV absorbers having enhanced durability

Hydroxy-substituted N-alkoxy hindered amines and compositions stabilized therewith

Hydroxy-substituted N-alkoxy hindered amines and compositions stabilized therewith

Benzotriazole UV absorbers having enhanced durability

Stabilized adhesive compositions containing highly soluble, red-shifted, photostable benzotriazole UV absorbers and laminated articles derived therefrom

Stabilized adhesive compositions containing highly soluble, high extinction, photostable hydroxyphenyl-s-trianzine UV absorbers and laminated articles derived therefrom

Flame retardant compositions

Photostable, silylated benzotriazole UV absorbers and compositions stabilized therewith

Benzotriazoles containing α-cumyl groups substituted by heteroatoms and compositions stabilized therewith

Hydroxy-substituted N-alkoxy hindered amines and compositions stabilized therewith

Benzotriazole UV absorbers having enhanced durability

Asymmetrical bisbenzotriazoles substituted by a perfluoroalkyl moiety

Process for making 5-thio-substituted benzotriazole UV absorbers

Tris-aryls-triazines substituted with biphenylyl groups

Stabilized adhesive compositions containing highly soluble, photostable benzotriazole UV absorbers and laminated articles derived therefrom

Ultraviolet light absorbers

CIBA SPECIALTY CHEMCIALS CORP

Bloom-resistant benzotriazole UV absorbers and compositions stabilized therewith

KING INDUSTRIES INC

Organometallic compositions and coating compositions

HSIEH BING

Organometallic compositions and coating compositions