Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JS

James A. Schwindeman — 76 Patents

FMFmc: 65 patents #1 of 1,735Top 1%
PIPpg Industries: 6 patents #169 of 1,216Top 15%
ACAmerican Cyanamid: 3 patents #469 of 1,554Top 35%
FDFmc Corporation, Lithium Division: 2 patents #2 of 16Top 15%
Fairlawn, OH: #1 of 100 inventorsTop 1%
Ohio: #323 of 73,341 inventorsTop 1%
Overall (All Time): #24,882 of 4,157,543Top 1%
76 Patents All Time
James A. Schwindeman has been granted 76 US patents while listed as an inventor at Fmc. The first was granted in 1986 and the most recent in February 2005. James A. Schwindeman ranks #24,882 of 4,157,543 US inventors in our database (top 0.60%). Patent records list James A. Schwindeman in Fairlawn, OH, US.

Issued Patents All Time

Showing 1–25 of 76 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6858679 Compositions providing improved functionalization of terminal anions and processes for improved functionalization of terminal anions Roderic P. Quirk, Young-Joon Lee, Robert James Letchford 2005-02-22 $12,496,000
6812295 Functionalized initiators for anionic polymerization, protected functionalized polymers, deprotected analogues thereof, and methods of making the same Robert James Letchford, Eric John Granger, Roderic P. Quirk 2004-11-02 $11,836,000
6770587 Chain extended functionalized initiators and methods of preparing and using the same Randy W. Hall 2004-08-03 $10,366,000
6720391 Functionalized initiators for anionic polymerization, protected functionalized polymers, deprotected analogues thereof, and methods of making the same Robert James Letchford, Eric John Granger, Roderic P. Quirk 2004-04-13 $8,836,000
6717014 Processes for preparing haloamines and tertiary aminoalkylorganometallic compounds Randy W. Hall, Sonia S. Stryker 2004-04-06 $9,163,000
6703446 Hetero-telechelic polymers and processes for making same Robert James Letchford, Conrad W. Kamienski, Roderic P. Quirk 2004-03-09 $3,360,000
6699939 Hetero-telechelic polymers and processes for making same Robert James Letchford, Conrad W. Kamienski, Roderic P. Quirk 2004-03-02 $3,604,000
6605564 Compositions providing improved functionalization of terminal anions and processes for improved functionalization of terminal anions Roderic P. Quirk, Young-Joon Lee, Robert James Letchford 2003-08-12 $7,043,000
6545103 Compositions providing improved functionalization of terminal anions and processes for improved functionalization of terminal anions Roderic P. Quirk, Young-Joon Lee, Robert James Letchford 2003-04-08 $5,235,000
6482944 Processes for preparing tertiary aminoalkylorganometallic compounds Randy W. Hall, Sonia S. Stryker 2002-11-19 $3,234,000
6444190 Reduction compositions and processes for making the same Anne Pautard-Cooper, Eric John Granger, Philip Franklin Sims, John F. Engel, Terry L. Rathman 2002-09-03 $6,441,000
6429327 Organometallic catalysts Philip Franklin Sims 2002-08-06 $2,725,000
6362284 Protected functionalized heterotelechelic polymers and processes for preparing the same Roderic P. Quirk, Conrad W. Kamienski 2002-03-26 $2,640,000
6344521 Protected functionalized diene and alkenyl substituted aromatic silicone triblock copolymers and processes for making the same Robert James Letchford 2002-02-05 $2,915,000
6271330 Functionalized silicone polymers and processes for making the same Robert James Letchford, Roderic P. Quirk 2001-08-07 $12,711,000
6221991 Methacrylate and acrylate polymers and processes for making same Robert James Letchford, Conrad W. Kamienski, Roderic P. Quirk 2001-04-24 $8,452,000
6197891 Functionalized chain extended initiators for anionic polymerization Eric John Granger, Robert C. Morrison, Conrad W. Kamienski, Robert James Letchford 2001-03-06 $7,045,000
6194617 Lithium tertiary alkoxides Robert C. Morrison, Conrad W. Kamienski 2001-02-27 $6,539,000
6184338 Anionic polymerization initiators containing tertiary amine functionality, their chain extended analogues, and processes for using the same Robert James Letchford 2001-02-06 $6,102,000
6184309 Selected deprotection of protected functional polymers John F. Engel, Eric John Granger, Conrad W. Kamienski, Roderic P. Quirk 2001-02-06 $6,102,000
6160054 Hetero-telechelic polymers and processes for making same Robert James Letchford, Conrad W. Kamienski, Roderic P. Quirk 2000-12-12 $9,618,000
6153706 Protected multi-functionalized star polymers and processes for making the same Robert James Letchford 2000-11-28 $9,543,000
6121474 Amine anionic polymerization initiators and functionalized polymers derived therefrom Eric John Granger, Roderic P. Quirk, Randy W. Hall, Robert James Letchford 2000-09-19 $18,117,000
6107414 Protected functionalized heterotelechelic polymers and processes for preparing the same Roderic P. Quirk, Conrad W. Kamienski 2000-08-22 $6,360,000
6107408 Processes for improving linking efficiencies in the synthesis of star polymers Roderic P. Quirk, Robert James Letchford 2000-08-22 $6,360,000