% Expired Patents = 25.0

Forward Citations = 110

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6 inventors (with patents filed for the assignee):

William C Copenhafer (6 out of 19 patents)

David E Smith (3 out of 7 patents)

Richard W Chastain (1 out of 9 patents)

4. Thomas H Neuman (1 out of 9 patents)

5. Duane S Halverson (1 out of 2 patents)

6. Aileen M Halverson (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 8858902 - Selective removal of sulfide from aqueous alkali solutions (2014-10-14),

2. 8454840 - Selective removal of sulfide from aqueous alkali solutions (2013-06-04),

3. 7018594 - Crystallization of sodium carbonate decahydrate from liquors supersaturated in sodium bicarbonate (2006-03-28),

4. 6589497 - Process for preparing soda ash from solution mined bicarbonate brines (2003-07-08),

5. 6576206 - Bicarbonate conversion in a carbonate monohydrate process (2003-06-10),

6. 6436154 - Use of dodecylbenzene sulfonic acid or salt as a scale inhibitor (2002-08-20),

7. 6428759 - Production of feed liquors for sodium carbonate crystallization processes (2002-08-06),

8. 6228335 - Process for the production of sodium carbonate crystals (2001-05-08),

Company Overview

FMC Wyoming Corporation is a leading supplier of lithium, a key component in manufacturing batteries for electric vehicles. The company operates a state-of-the-art lithium production facility in Wyoming, producing high-purity lithium products for a variety of industries. FMC Wyoming Corporation is committed to sustainability and environmental stewardship, ensuring responsible extraction and production practices.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

8 Patents

#113 in Philadelphia, PA

#1,305 in Pennsylvania

#35,941 in US

Philadelphia, PA, United States of America

Fmc Wyoming Corporation

Forward Citations = 110

6 inventors:

William C Copenhafer (6 out of 19 patents)

David E Smith (3 out of 7 patents)

Richard W Chastain (1 out of 9 patents)

4. Thomas H Neuman (1 out of 9 patents)

5. Duane S Halverson (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Fmc Wyoming Corporation. Retrieved from https://idiyas.com/company/fmc-wyoming

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]