Inventor · disambiguated record
Gregory S. Kirby
Also filed as: KIRBY GREGORY S
16 granted patents·1 pending application·51 citations·filing 2002–2021
88Inventor score
Files withINV NYLON CHEMICALS AMERICAS LLC9INVISTA NORTH AMERICA SARL6DU PONT1INVISTA NORTH AMERICA S A R I1
Top patents by PatentIndex Score
17 records- 0187US7070743B2Induction-heated reactors for gas phase catalyzed reactionsINVISTA NORTH AMERICA SARL·Filed 2002·Granted Jul 4, 2006·38 cites·4 claims
- 0285US10343084B2Process for separation of diamines and/or omega-aminoacids from a feed mixtureINVISTA NORTH AMERICA SARL·Filed 2016·Granted Jul 9, 2019·2 cites·23 claims
- 0385US7060820B1Process for making caprolactamINVISTA NORTH AMERICA SARL·Filed 2005·Granted Jun 13, 2006·5 cites·24 claims
- 0479US10265642B2Process for separation of diamines and/or omega-aminoacids from a feed fixtureINVISTA NORTH AMERICA SARL·Filed 2016·Granted Apr 23, 2019·1 cites·22 claims
- 0571US6716977B1Method for making caprolactam from impure ACN wherein ammonia and water are removed from crude caprolactam in a simple separation step and then THA is removed from the resulting caprolactam meltDU PONT·Filed 2003·Granted Apr 6, 2004·5 cites·2 claims
- 0667US10974168B2Materials and methods for the selective recovery of monovalent products from aqueous solutions using continuous ion exchangeINV NYLON CHEMICALS AMERICAS LLC·Filed 2017·Granted Apr 13, 2021·0 cites·8 claims
- 0765US11976372B2Production of adiponitrileINV NYLON CHEMICALS AMERICAS LLC·Filed 2021·Granted May 7, 2024·0 cites·20 claims
- 0861US2019062253A1Purification of long chain diacidsINVISTA NORTH AMERICA S A R I·Filed 2018·Application pending·0 cites
- 0958US12090420B2Systems and methods for recovering amines and their derivatives from aqueous mixturesINV NYLON CHEMICALS AMERICAS LLC·Filed 2019·Granted Sep 17, 2024·0 cites·41 claims
- 1057US10071947B2Purification of long chain diacidsINVISTA NORTH AMERICA SARL·Filed 2015·Granted Sep 11, 2018·0 cites·15 claims
- 1155US11311027B2Nutritive compositions and methods related theretoINV NYLON CHEMICALS AMERICAS LLC·Filed 2018·Granted Apr 26, 2022·0 cites·4 claims
- 1252US11674160B2Materials and methods for the synthesis of carbon products from non-biosynthetic processes and streamsINV NYLON CHEMICALS AMERICAS LLC·Filed 2019·Granted Jun 13, 2023·0 cites·18 claims
- 1351US11512276B2Methods for controlling oxygen concentration during aerobic biosynthesisINV NYLON CHEMICALS AMERICAS LLC·Filed 2019·Granted Nov 29, 2022·0 cites·18 claims
- 1450US12338428B2Materials and methods for managing aerobic gas fermentationINV NYLON CHEMICALS AMERICAS LLC·Filed 2019·Granted Jun 24, 2025·0 cites·10 claims
- 1550US12065636B2High hydrogen utilization and gas recycleINV NYLON CHEMICALS AMERICAS LLC·Filed 2019·Granted Aug 20, 2024·0 cites·20 claims
- 1647US11939611B2Biocatalytic processes and materials for enhanced carbon utilizationINV NYLON CHEMICALS AMERICAS LLC·Filed 2017·Granted Mar 26, 2024·0 cites·14 claims
- 1742US6858728B2Method for making caprolactam from impure ACN in which THA is not removed until after caprolactam is producedINVISTA NORTH AMERICA SARL·Filed 2003·Granted Feb 22, 2005·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →