LK

Lawrence J. Karas

AT Arco Chemical Technology: 12 patents #31 of 285Top 15%
EU Ecolab Usa: 8 patents #199 of 1,442Top 15%
AR Atlantic Richfield: 2 patents #271 of 1,061Top 30%
LT Lummus Technology: 2 patents #129 of 280Top 50%
LT Lyondell Chemical Technology: 2 patents #62 of 123Top 55%
CU Championx Usa: 1 patents #36 of 104Top 35%
📍 Missouri City, TX: #42 of 1,012 inventorsTop 5%
🗺 Texas: #4,546 of 125,132 inventorsTop 4%
Overall (All Time): #145,195 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
11499108 Complete removal of solids during hydrogen sulfide scavenging operations using a scavenger and a Michael acceptor Matthew Trevino, Kellen Harkness, Jeffrey Robert Eveland 2022-11-15
11339118 Hydrogen sulfide scavengers Ryan Matthew Harrington, Prakasa Rao Anantaneni, Kekeli Ekoue-Kovi 2022-05-24
10703710 Hydrogen sulfide scavengers Ryan Matthew Harrington, Prakasa Rao Anantaneni, Kekeli Ekoue-Kovi 2020-07-07
10669228 Preparation of new stable hydrogen sulfide scavengers useful in both water as well as oil medium applications Prakasa Rao Anantaneni, Ryan Matthew Harrington, David Tarverdi, Ravindranath Mukkamala, Subhasis De 2020-06-02
10538710 Hydrogen sulfide scavengers Jeffery Caleb Clark, Matthew Trevino, Julian M. Gallardo, III, Prakasa Rao Anantaneni, Rafaela Carvalhal Passos +2 more 2020-01-21
10442755 Preparation of new stable hydrogen sulfide scavengers useful in both water as well as oil medium applications Prakasa Rao Anantaneni, Ryan Matthew Harrington, David Tarverdi, Ravindranath Mukkamala, Subhasis De 2019-10-15
10336950 Antifouling and hydrogen sulfide scavenging compositions and methods Matthew Trevino, Jeffery Caleb Clark, Geeta Rana, Vyacheslav Boyarskikh 2019-07-02
10196343 Hydrogen sulfide scavengers Ryan Matthew Harrington, Prakasa Rao Anantaneni, Kekeli Ekoue-Kovi 2019-02-05
9523045 Hydrogen sulfide scavengers Ryan Matthew Harrington, Prakasa Rao Anantaneni, Kekeli Ekoue-Kovi 2016-12-20
8933284 Process for the production of butadiene Stephen C. Arnold, Anne Mae Gaffney, Philip J. Angevine, Chuen Y. Yeh, Ruozhi Song 2015-01-13
8293960 Process for the production of butadiene Stephen C. Arnold, Anne Mae Gaffney, Philip J. Angevine, Chuen Y. Yeh, Ruozhi Song 2012-10-23
7314545 Desulfurization process Roger A. Grey, Michael W. Lynch 2008-01-01
7270742 Organosulfur oxidation process Yuan-Zhang Han, David W. Leyshon 2007-09-18
7022885 Purification on methyl tertiary butyl ether Lawrence M. Candela, Andrew P. Kahn 2006-04-04
6555623 Preparation of unsaturated polyesters Lau S. Yang, Paul M. Puckett, Diandre Armstead, Paul A. Albano 2003-04-29
6417412 Purification of tertiary butyl alcohol Andrew P. Kahn 2002-07-09
6414085 Polyester resins based on terephthalic acid and 2-methyl-1,3-propanediol and processes for the preparation thereof Paul M. Puckett 2002-07-02
6376731 Selective olefin oligomerization Thomas I. Evans, Ramesh Rameswaran 2002-04-23
6242640 Tertiary alkyl ester preparation using large-pore zeolite catalysts 2001-06-05
6194602 Tertiary alkyl ester preparation 2001-02-27
5994578 Ester preparation 1999-11-30
5877372 Isobutylene oligomerization using isooctane diluent Thomas I. Evans, Ramesh Rameswaran 1999-03-02
5308365 Diesel fuel Haven S. Kesling, Jr., Frank J. Liotta, Jr. 1994-05-03
5258049 Diesel fuel composition Frank J. Liotta, Jr., John A. Sofranko 1993-11-02
5081268 Process for the preparation of oxetanes from 1,3-glycol monosulfates Roger A. Grey, H. D. Moore 1992-01-14