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For the Inventor, By the Inventor

Houston, TX, United States of America

Lyondell Chemical Technology, L.p.

Calculating rank
USPTO Granted Patents = 203

% Expired Patents = 39.9



Trademarks = 1

Forward Citations = 866

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125 inventors (with patents filed for the assignee):

goldMedal Daniel F White (34 out of 55 patents)

silverMedal Roger A Grey (27 out of 68 patents)

bronzeMedal Brian A Salisbury (20 out of 32 patents)

4.  David W Leyshon (19 out of 36 patents)

5.  Noel C Hallinan (14 out of 50 patents)

6.  Beaven S Mandimutsira (13 out of 13 patents)

7.  Bi Le-Khac (12 out of 69 patents)

8.  Te Chang (12 out of 23 patents)

9.  Andrew P Kahn (12 out of 37 patents)

10.  Sandor M Nagy (12 out of 111 patents)

11.  Barbara Kimmich (10 out of 11 patents)

12.  Ha H Nguyen (9 out of 9 patents)

13.  Lei Zhang (9 out of 24 patents)

14.  Gary A Sawyer (9 out of 14 patents)

15.  Mark P Kaminsky (9 out of 20 patents)


Core Competencies:
Epoxidation
Propylene Production
Allyl Alcohol
Hydroformylation
Catalysts
Chemical Recovery
Acetic Acid
Hydrocarbon Purification
Oxidation Processes
Isomerization
Glycerin
Hydrocarbons

203 patents:

1. 12435052 - Systems and methods for removing or reducing water in mixtures that include t-butyl hydroperoxide (2025-10-07),
2. 11980872 - Epoxidation processes and catalysts for use therein (2024-05-14),
3. 11926587 - Process for converting raffinate butenes to propylene (2024-03-12),
4. 11827589 - Methods for isobutylene conversion to C5+ compounds (2023-11-28),
5. 11806701 - Use of monopropylene glycol from purge streams in epoxidation catalyst preparation (2023-11-07),
6. 11613510 - Methylcyclohexane as allyl alcohol hydroformylation solvent (2023-03-28),
7. 11590477 - Titanated catalysts, methods of preparing titanated catalysts, and methods of epoxidation (2023-02-28),
8. 11440858 - Method of improving olefin isomerization (2022-09-13),
9. 11370737 - Co-feeding ethylene with allyl alcohol in hydroformylation to make 1,4-butanediol and n-propanol (2022-06-28),
10. 11370726 - Process for hydrogenation of 1,3-butadiene (2022-06-28),
11. 11358920 - Glycerin-only reaction for allyl alcohol production (2022-06-14),
12. 11261142 - Isobutylene to propylene process flow improvement (2022-03-01),
13. 11247962 - Methods of chemical recovery for propylene oxide-styrene monomer processes (2022-02-15),
14. 11014899 - Methods of drying propylene oxide (2021-05-25),
15. 10988564 - Process for producing dimethoxymethane oligomers (2021-04-27),
Company Overview
Lyondell Chemical Technology, L.P., based in Houston, Texas, specializes in advanced chemical processes that are integral to the production of various essential chemicals. The company focuses on technologies such as epoxidation, propylene production, and hydroformylation, alongside the development of catalysts and chemical recovery methods. With expertise in areas like allyl alcohol and acetic acid production, Lyondell Chemical Technology plays a vital role in enhancing hydrocarbon purification and optimizing chemical manufacturing processes.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Lyondell Chemical Technology, L.p. USPTO Patent Assignee Logo
203 Patents

#45 in Houston, TX

#119 in Texas

#2,040 in US

#4,180 in the World

Houston, TX (US)
Houston, TX, United States of America

Lyondell Chemical Technology, L.p.

Forward Citations = 866

125 inventors:

goldMedal Daniel F White (34 out of 55 patents)

silverMedal Roger A Grey (27 out of 68 patents)

bronzeMedal Brian A Salisbury (20 out of 32 patents)

4.  David W Leyshon (19 out of 36 patents)

5.  Noel C Hallinan (14 out of 50 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Lyondell Chemical Technology, L.p.. Retrieved from https://idiyas.com/company/lyondell-chemical-technology

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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