Company Filing History:

11 out of 124

Tenneco Chemicals, Inc.

Petro-tex Chemical Corporation

patents

Years Active: 1976-1989

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4816139 - Method for removing sulfur compounds from C.sub.6 and lower alkanes (1989-03-28),

2. 4579990 - Process for the oligomerization of propylene (1986-04-01),

3. 4571439 - Method for controlled oligomerization/etherification of propylene (1986-02-18),

4. 4570026 - Production of isobutene from methyl tertiary butyl ether (1986-02-11),

5. 4540839 - Process for the production of polymer gasoline (1985-09-10),

6. 4277567 - Flame-retardant vinyl aromatic polymer compositions (1981-07-07),

7. 4191588 - Method of cleaning fouled heat exchangers and other equipment (1980-03-04),

8. 4181536 - Process for the cleaning of fouled heat exchangers and other equipment (1980-01-01),

9. 4153669 - Removal of metals from waste materials that contain bimetallic salt (1979-05-08),

10. 4153452 - Recovery of metals from bimetallic salt complexes (1979-05-08),

11. 4104146 - Process for the purification of gas streams (1978-08-01),

12. 4097451 - Flame-retardant resinous compositions (1978-06-27),

13. 4014950 - Process for the purification of liquid sorbents comprising bimetallic (1977-03-29),

14. 3983216 - Process for the removal of vinyl chloride from gas streams (1976-09-28),

15. 3981806 - Flame-retardant emulsion containing 1,1,2,3,4,4-hexabromobutene-2 (1976-09-21),

As a specialist in innovations, inventions, inventors, patent attorneys, assignees, and patents, I will assist you with the article about Donald A Keyworth for your website idiyas.com.

Title: Innovator Spotlight: Donald A Keyworth from Houston, TX

Introduction:

Donald A Keyworth, a prolific inventor based in Houston, TX, has made significant contributions to the field with a total of 16 patents to his name.

Latest Patents:

1. Method for removing sulfur compounds from C.sub.6 and lower alkanes

2. Process for the oligomerization of propylene

Career Highlights:

Keyworth has showcased his expertise while working at renowned companies such as Tenneco Chemicals, Inc. and Tenneco Oil Company. At these establishments, he honed his skills and developed groundbreaking solutions for the industry.

Collaborations:

Throughout his career, Keyworth has collaborated with esteemed professionals such as Jerome R Sudduth and Cecil G McFarland. These collaborations have led to innovative advancements and successful project outcomes.

Conclusion:

Donald A Keyworth's inventive spirit and dedication to problem-solving have paved the way for numerous breakthroughs in the sector. His patents and career achievements stand as a testament to his profound impact on the field of innovation.

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