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USPTO Patent Rankings Data through Dec 31, 2025
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Eric John Granger — 15 Patents

FMFmc: 15 patents #39 of 1,735Top 3%
Charlotte, NC: #245 of 4,868 inventorsTop 6%
North Carolina: #3,282 of 45,564 inventorsTop 8%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
Eric John Granger has been granted 15 US patents while listed as an inventor at Fmc. The first was granted in 1996 and the most recent in November 2004. Eric John Granger ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Eric John Granger in Charlotte, NC, US.

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6812295 Functionalized initiators for anionic polymerization, protected functionalized polymers, deprotected analogues thereof, and methods of making the same James A. Schwindeman, Robert James Letchford, Roderic P. Quirk 2004-11-02 $11,836,000
6720391 Functionalized initiators for anionic polymerization, protected functionalized polymers, deprotected analogues thereof, and methods of making the same James A. Schwindeman, Robert James Letchford, Roderic P. Quirk 2004-04-13 $8,836,000
6444190 Reduction compositions and processes for making the same Anne Pautard-Cooper, Philip Franklin Sims, James A. Schwindeman, John F. Engel, Terry L. Rathman 2002-09-03 $6,441,000
6197891 Functionalized chain extended initiators for anionic polymerization James A. Schwindeman, Robert C. Morrison, Conrad W. Kamienski, Robert James Letchford 2001-03-06 $7,045,000
6184309 Selected deprotection of protected functional polymers James A. Schwindeman, John F. Engel, Conrad W. Kamienski, Roderic P. Quirk 2001-02-06 $6,102,000
6121474 Amine anionic polymerization initiators and functionalized polymers derived therefrom James A. Schwindeman, Roderic P. Quirk, Randy W. Hall, Robert James Letchford 2000-09-19 $18,117,000
5922810 Deprotection of protected functional polymers James A. Schwindeman, John F. Engel, Conrad W. Kamienski 1999-07-13 $4,198,000
5827929 Functionalized initiators for anionic polymerization James A. Schwindeman, John F. Engel, Conrad W. Kamienski 1998-10-27 $9,127,000
5821307 Functionalized chain extended initiators for anionic polymerization James A. Schwindeman, Conrad W. Kamienski, Robert C. Morrison 1998-10-13 $3,781,000
5792815 Functionalized polymer produced with functionalized initiators by anionic polymerization James A. Schwindeman, John F. Engel, Conrad W. Kamienski 1998-08-11 $1,776,000
5730952 Process for the preparation of lithium aluminum hydride in etheral solvents Terry L. Rathman, James A. Schwindeman, Sharon Bergmann Smith 1998-03-24 $3,296,000
5663398 Processes for preparing functionalized alkyllithium compounds James A. Schwindeman, Douglas E. Sutton 1997-09-02 $3,460,000
5621149 Process for preparing functionalized initiators for anionic polymerization James A. Schwindeman, John F. Engel, Conrad W. Kamienski 1997-04-15 $2,843,000
5600021 Functionalized initiators for anionic polymerization James A. Schwindeman, John F. Engel, Conrad W. Kamienski 1997-02-04 $3,256,000
5567774 Anionic polymerization process using functionalized initiators James A. Schwindeman, John F. Engel, Conrad W. Kamienski 1996-10-22 $5,155,000