Robert James Letchford — 21 Patents at Fmc

Robert James Letchford has been granted 21 US patents while listed as an inventor at Fmc. The first was granted in 1999 and the most recent in February 2005. Robert James Letchford ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Robert James Letchford in Cherryville, NC, US.

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6858679	Compositions providing improved functionalization of terminal anions and processes for improved functionalization of terminal anions	Roderic P. Quirk, Young-Joon Lee, James A. Schwindeman	2005-02-22	$12,496,000
6812295	Functionalized initiators for anionic polymerization, protected functionalized polymers, deprotected analogues thereof, and methods of making the same	James A. Schwindeman, Eric John Granger, 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, Eric John Granger, Roderic P. Quirk	2004-04-13	$8,836,000
6706821	Michael addition products of amine terminated polyolefins and polyfunctional acrylates	—	2004-03-16	$3,346,000
6703446	Hetero-telechelic polymers and processes for making same	James A. Schwindeman, Conrad W. Kamienski, Roderic P. Quirk	2004-03-09	$3,360,000
6699939	Hetero-telechelic polymers and processes for making same	James A. Schwindeman, 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, James A. Schwindeman	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, James A. Schwindeman	2003-04-08	$5,235,000
6344521	Protected functionalized diene and alkenyl substituted aromatic silicone triblock copolymers and processes for making the same	James A. Schwindeman	2002-02-05	$2,915,000
6271330	Functionalized silicone polymers and processes for making the same	James A. Schwindeman, Roderic P. Quirk	2001-08-07	$12,711,000
6221991	Methacrylate and acrylate polymers and processes for making same	James A. Schwindeman, Conrad W. Kamienski, Roderic P. Quirk	2001-04-24	$8,452,000
6197891	Functionalized chain extended initiators for anionic polymerization	James A. Schwindeman, Eric John Granger, Robert C. Morrison, Conrad W. Kamienski	2001-03-06	$7,045,000
6184338	Anionic polymerization initiators containing tertiary amine functionality, their chain extended analogues, and processes for using the same	James A. Schwindeman	2001-02-06	$6,102,000
6160054	Hetero-telechelic polymers and processes for making same	James A. Schwindeman, Conrad W. Kamienski, Roderic P. Quirk	2000-12-12	$9,618,000
6153706	Protected multi-functionalized star polymers and processes for making the same	James A. Schwindeman	2000-11-28	$9,543,000
6121474	Amine anionic polymerization initiators and functionalized polymers derived therefrom	James A. Schwindeman, Eric John Granger, Roderic P. Quirk, Randy W. Hall	2000-09-19	$18,117,000
6107408	Processes for improving linking efficiencies in the synthesis of star polymers	Roderic P. Quirk, James A. Schwindeman	2000-08-22	$6,360,000
6031060	Functionalized silicone polymers and processes for making the same	James A. Schwindeman, Roderic P. Quirk	2000-02-29	$4,297,000
6020430	Functionalized diene and alkenylsubstituted aromatic silicone copolymers and processes for making the same	James A. Schwindeman	2000-02-01	$4,738,000
5919870	Functional telechelic star polymers	Conrad W. Kamienski, James A. Schwindeman	1999-07-06	$8,685,000
5900464	Processes for making methacrylate and acrylate polymers	James A. Schwindeman, Conrad W. Kamienski, Roderic P. Quirk	1999-05-04	$18,908,000

Robert James Letchford — 21 Patents

Issued Patents All Time

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