Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
PS

Pradeep P. Shirodkar

ExxonMobil: 70 patents #70 of 10,161Top 1%
UTUnivation Technologies: 15 patents #41 of 289Top 15%
Houston, TX: #83 of 21,073 inventorsTop 1%
Texas: #612 of 125,132 inventorsTop 1%
Overall (All Time): #20,181 of 4,157,543Top 1%
85 Patents All Time

Issued Patents All Time

Showing 51–75 of 85 patents

Patent #TitleCo-InventorsDate
6569963 Process for controlling the MWD of a broad or bimodal resin in a single reactor Thomas E. Nowlin, Sandra D. Schregenberger, Grace O. Tsien 2003-05-27
6509431 Terpolymers Robert P. Duttweiler, Michael J. Krause, Frederick Y. Lo, Shih-May Christine Ong 2003-01-21
6486089 Bimetallic catalyst for ethylene polymerization reactions with uniform component distribution Yury V. Kissin, Robert I. Mink, Thomas E. Nowlin, Sandra D. Schregenberger, Grace O. Tsien 2002-11-26
6458910 High impact LLDPE films Vaseem Firdaus 2002-10-01
6458911 Ethylene polymer film resins S. Christine Ong, Sandra D. Schregenberger 2002-10-01
6420298 Metallocene catalyst compositions, processes for making polyolefin resins using such catalyst compositions, and products produced thereby Robert I. Mink, Thomas E. Nowlin, Sandra D. Schregenberger, Kenneth G. Schurzky 2002-07-16
6417289 Process for producing LLDPE films with improved impact strength 2002-07-09
6417130 One pot preparation of bimetallic catalysts for ethylene 1-olefin copolymerization Robert I. Mink, Yury V. Kissin, Thomas E. Nowlin, Grace O. Tsien, Sandra D. Schregenberger 2002-07-09
6410474 Process for controlling the MWD of a broad/bimodal resin in a single reactor Thomas E. Nowlin, Sandra D. Schregenberger, Grace O. Tsien 2002-06-25
6403181 Premium pipe resins David Barry, Vincent Joseph Crotty, Brian Egan, Robert I. Mink, Thomas E. Nowlin +2 more 2002-06-11
6316546 Ethylene polymer film resins S. Christine Ong, Sandra D. Schregenberger 2001-11-13
6051525 Catalyst for the manufacture of polyethylene with a broad or bimodal molecular weight distribution Frederick Y. Lo, Robert I. Mink, Thomas E. Nowlin, Sandra D. Schregenberger 2000-04-18
5882750 Single reactor bimodal HMW-HDPE film resin with improved bubble stability Robert I. Mink, Thomas E. Nowlin, Sandra D. Schregenberger, Grace O. Tsien 1999-03-16
5840244 High impact LLDPE films with high stalk extrusion Vaseem Firdaus 1998-11-24
5756203 LLDPE films with improved impact strength 1998-05-26
5614456 Catalyst for bimodal molecular weight distribution ethylene polymers and copolymers Robert I. Mink, Thomas E. Nowlin, Sandra D. Schregenberger, Grace O. Tsien 1997-03-25
5602067 Process and a catalyst for preventing reactor fouling Thomas E. Nowlin, Frederick Y. Lo, Ronald S. Shinomoto 1997-02-11
5589551 Swell reduction of chromium catalyzed HDPE resins by controlled degradation using high temperature peroxides John P. Bladt 1996-12-31
5539076 Bimodal molecular weight distribution polyolefins Thomas E. Nowlin, Sandra D. Schregenberger, Grace O. Tsien 1996-07-23
5530072 Introduction of long chain branching into linear polyethylenes 1996-06-25
5525678 Process for controlling the MWD of a broad/bimodal resin produced in a single reactor Robert I. Mink, Thomas E. Nowlin, Sandra D. Schregenberger, Grace O. Tsien 1996-06-11
5473028 Process and a catalyst for preventing reactor fouling Thomas E. Nowlin, Frederick Y. Lo, Ronald S. Shinomoto 1995-12-05
5332706 Process and a catalyst for preventing reactor fouling Thomas E. Nowlin, Frederick Y. Lo, Ronald S. Shinomoto 1994-07-26
5258449 LLDPE films with improved optical properties Vaseem Firdaus 1993-11-02
5258463 Blends for consumer waste bags Susan P. Evans 1993-11-02