Growing community of inventors

Cherryville, NC, United States of America

Robert James Letchford

Average Co-Inventor Count = 2.90

ph-index = 8

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 170

Robert James LetchfordJames Anthony Schwindeman (20 patents)Robert James LetchfordRoderic Paul Quirk (14 patents)Robert James LetchfordConrad W Kamienski (7 patents)Robert James LetchfordEric J Granger (4 patents)Robert James LetchfordYoung Seen Lee (2 patents)Robert James LetchfordRobert C Morrison (1 patent)Robert James LetchfordRandy W Hall (1 patent)Robert James LetchfordYoung Joon Lee (1 patent)Robert James LetchfordRobert James Letchford (21 patents)James Anthony SchwindemanJames Anthony Schwindeman (66 patents)Roderic Paul QuirkRoderic Paul Quirk (33 patents)Conrad W KamienskiConrad W Kamienski (54 patents)Eric J GrangerEric J Granger (15 patents)Young Seen LeeYoung Seen Lee (50 patents)Robert C MorrisonRobert C Morrison (42 patents)Randy W HallRandy W Hall (21 patents)Young Joon LeeYoung Joon Lee (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fmc Corporation (19 from 2,509 patents)

2. Fmc Corporation, Lithium Division (2 from 7 patents)


21 patents:

1. 6858679 - Compositions providing improved functionalization of terminal anions and processes for improved functionalization of terminal anions

2. 6812295 - Functionalized initiators for anionic polymerization, protected functionalized polymers, deprotected analogues thereof, and methods of making the same

3. 6720391 - Functionalized initiators for anionic polymerization, protected functionalized polymers, deprotected analogues thereof, and methods of making the same

4. 6706821 - Michael addition products of amine terminated polyolefins and polyfunctional acrylates

5. 6703446 - Hetero-telechelic polymers and processes for making same

6. 6699939 - Hetero-telechelic polymers and processes for making same

7. 6605564 - Compositions providing improved functionalization of terminal anions and processes for improved functionalization of terminal anions

8. 6545103 - Compositions providing improved functionalization of terminal anions and processes for improved functionalization of terminal anions

9. 6344521 - Protected functionalized diene and alkenyl substituted aromatic silicone triblock copolymers and processes for making the same

10. 6271330 - Functionalized silicone polymers and processes for making the same

11. 6221991 - Methacrylate and acrylate polymers and processes for making same

12. 6197891 - Functionalized chain extended initiators for anionic polymerization

13. 6184338 - Anionic polymerization initiators containing tertiary amine functionality, their chain extended analogues, and processes for using the same

14. 6160054 - Hetero-telechelic polymers and processes for making same

15. 6153706 - Protected multi-functionalized star polymers and processes for making

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as of
12/9/2025
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