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 76–100 of 146 patents

Patent #TitleCo-InventorsDate
5554760 2-(2-hydroxy-3-.alpha.-cumyl-5-nonylor 5-dodecylphenyl)-2H-benzotriazole Roland A. E. Winter, Mark S. Holt, Volker H. von Ahn, Joseph E. Babiarz, David G. Leppard 1996-09-10
5552464 Polymer stabilizers containing both hindered amine and hydroxylamine moieties Joseph Suhadolnik, Valerio Borzatta, Graziano Vignali 1996-09-03
5543518 Red-shifted tris-aryl-s-triazines and compositions stabilized therewith Tyler A. Stevenson, Mark S. Holt, Thuy N. Phan, Jean-Luc Birbaum, Vien Van Toan 1996-08-06
5516914 Compositions stabilized with 5-thio-substituted benzotriazole UV-absorbers Roland A. E. Winter, Volker H. von Ahn, Tyler A. Stevenson, Mark S. Holt 1996-05-14
5514738 1-hydrocarbyloxy-piperidine compounds containing silane groups for use as stabilizers for organic materials Valerio Borzatta, Primo Carrozza 1996-05-07
5476937 S-triazine UV absorbers substituted by a sulfur-containing moiety Tyler A. Stevenson, Mark S. Holt 1995-12-19
5470980 Azodicarboxylic acid derivatives containing hindered amine moieties as polymer stabilizers Ambelal R. Patel 1995-11-28
5442071 Non-migrating 1-hydrocarbyloxy hindered amine derivatives as polymer stabilizers James P. Galbo, Peter J. Schirmann, Andrew Mar 1995-08-15
5436349 Compositions stabilized with 5-sulfonyl-substituted benotriazole UV-absorbers Roland A. E. Winter, Volker H. von Ahn, Tyler A. Stevenson, Mark S. Holt 1995-07-25
5410047 Polymer stabilizers containing both hindered amine and hydroxlamine moieties Joseph Suhadolnik, Valerio Borzatta, Graziano Vignali 1995-04-25
5380828 Azodicarboxylic acid derivatives containing hindered amine moieties as polymer stabilizers Ambelal R. Patel 1995-01-10
5371125 Substituted 1-hydroxy-2,6-diaryl-4-acyloxypiperidines or 1-hydroxy-2,6-diaryl-4-acylaminopiperidines and stabilized compositions Glen T. Cunkle, Donald J. Sabrsula 1994-12-06
5359069 Non-migrating 1-hydrocarbyloxy hindered amine derivatives as polymer stabilizers James P. Galbo, Peter J. Schirmann, Andrew Mar 1994-10-25
5354794 Electro coat/base coat/clear coat finishes stabilized with S-triazine UV absorbers Tyler A. Stevenson, Mark S. Holt 1994-10-11
5300544 Non-migrating 1-hydrocarbyloxy-2,2,6,6-tetramethylpiperdine 1,3,5-triazine derivatives as polymer stabilizers James P. Galbo, Mark S. Holt 1994-04-05
5286865 Non-migrating 1-hydrocarbyloxy hindered amine derivatives as polymer stabilizers James P. Galbo, Peter J. Schirmann, Andrew Mar 1994-02-15
5280124 5-sulfonyl-substituted benzotriazole UV-absorbers Roland A. E. Winter, Volker H. von Ahn, Tyler A. Stevenson, Mark S. Holt 1994-01-18
5278314 5-thio-substituted benzotriazole UV-absorbers Roland A. E. Winter, Volker H. von Ahn, Tyler A. Stevenson, Mark S. Holt 1994-01-11
5262538 Substituted 1-hydroxy-2,6-diaryl-4-acyloxypiperidines or 1-hydroxy-2,6-diaryl-4-acylaminopiperidines and stabilized compositions Glen T. Cunkle, Donald J. Sabrsula 1993-11-16
5216156 Non-migrating 1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidine 1,3,5-triazine derivatives James P. Galbo, Mark S. Holt 1993-06-01
5202441 Polymer stabilizers containing both hindered amine and hydroxylamine moieties Joseph Suhadolnik, Valerio Borzatta, Graziano Vignali 1993-04-13
5180829 Substituted 1-hydroxy-2,6-diaryl-4-acyloxypiperidines or 1-hydroxy-2,6-diaryl-4-acylaminopiperidines and stabilized compositions Glen T. Cunkle, Donald J. Sabrsula 1993-01-19
5145893 Non-migrating 1-hydrocarbyloxy hindered amine derivatives as polymer stabilizers James P. Galbo, Peter J. Schirmann, Andrew Mar 1992-09-08
5137951 Silylated hydroxyaminomethylphosphonates and stabilized compositions Stephen D. Pastor, Roger Meuwly 1992-08-11
5118736 N,N-bis(1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidin-4-yl)amino triazines and stabilized compositions James P. Galbo 1992-06-02