RR

Ramanathan Ravichandran

CI Ciba-Geigy: 83 patents #4 of 2,867Top 1%
CC Ciba Specialty Chemicals: 48 patents #5 of 1,233Top 1%
KI King Industries: 10 patents #2 of 25Top 8%
NO Novinium: 2 patents #14 of 24Top 60%
CC Ciba Specialty Chemcials: 1 patents #5 of 32Top 20%
CC Ciba Speciality Chemicals: 1 patents #3 of 41Top 8%
BG Basf Coatings Gmbh: 1 patents #350 of 799Top 45%
📍 Suffern, NY: #1 of 217 inventorsTop 1%
🗺 New York: #263 of 115,490 inventorsTop 1%
Overall (All Time): #6,576 of 4,157,543Top 1%
146
Patents All Time

Issued Patents All Time

Showing 101–125 of 146 patents

Patent #TitleCo-InventorsDate
5096950 Polyolefin compositions stabilized with NOR-substituted hindered amines James P. Galbo, Raymond Seltzer, Ambelal R. Patel 1992-03-17
5077340 Ethylenically unsaturated compounds containing 1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidine moieties, and polymers, copolymers and stabilized compositions Peter J. Schirmann, Andrew Mar 1991-12-31
5077329 Hydroxyaminomethylphosphonates and stabilized compositions Stephen D. Pastor 1991-12-31
5057563 Substituted aminoxy propionamides 1991-10-15
5057610 Compositions stabilized with substituted amino carbamates Stephen D. Pastor, Edward T. Hessell 1991-10-15
5047489 Ethylenically unsaturated compounds containing 1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidine moieties, and polymers, copolymers and stabilized compositions Peter J. Schirmann, Andrew Mar 1991-09-10
5037867 Stabilized compositions containing substituted isoxazolidines Stephen D. Pastor 1991-08-06
5026750 1-hydrocarbyloxy hindered amine mercaptoacid esters, thioacetals, sulfides and disulfides 1991-06-25
5023283 N,N-bis(acyloxyethyl)hydroxylamine derivatives Raymond Seltzer 1991-06-11
5021480 Azo free radical initiators containing hindered amine moieties with low basicity 1991-06-04
5021479 Substituted hydroxylamine ester stabilizers Stephen D. Pastor 1991-06-04
5021478 Compounds containing both UV-absorber and 1-hydrocarbyloxy hindered amine moieties and stabilized compositions James P. Galbo 1991-06-04
5019613 N-hydrocarbyloxy derivatives of hindered amine-substituted S-triazines James P. Galbo 1991-05-28
5015678 Stabilizers derived from N-hydroxy hindered amines by Michael addition reactions Raymond Seltzer, James P. Galbo 1991-05-14
5015683 Bis(1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidin-4-yl)-amine derivatives and stabilized compositions James P. Galbo 1991-05-14
4983737 Ethylenically unsaturated compounds containing 1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidine moieties, and polymers, copolymers and stabilized compositions Peter J. Schirmann, Andrew Mar 1991-01-08
4983770 Substituted hydroxylamine ester stabilizers Stephen D. Pastor 1991-01-08
4972009 Polymer stabilizers containing both hindered amine and nitrone moieties Joseph Suhadolnik 1990-11-20
4929657 Substituted aminoxy-propionamides 1990-05-29
4929659 Substituted aminoxyethyl sulfoxides and sulfones 1990-05-29
4918189 Substituted hydroxylamines and compositions stabilized therewith Raymond Seltzer 1990-04-17
4898901 Long chain N-alkyl-alpha-alkyl nitrones and polyolefin compositions stabilized therewith Stephen D. Pastor, Raymond Seltzer, Ambelal R. Patel 1990-02-06
4888444 Substituted hydroxylamine ester stabilizers Stephen D. Pastor 1989-12-19
4876300 Polyolefin compositions stabilized with long chain N,N-dialkylhydroxylamines Raymond Seltzer, Ambelal R. Patel 1989-10-24
4808644 Substituted (4-hydroxyphenylthioalkyl) derivatives John D. Spivack, Stephen D. Pastor 1989-02-28