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Polysar Rubber Corporation

USPTO Granted Patents = 24

Forward Citations = 238

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22 inventors (with patents filed for the assignee):

Akhtar Osman (6 out of 17 patents)

Garry Llewellyn Rempel (4 out of 26 patents)

Xiang-Yao Guo (4 out of 4 patents)

4. Thomas F Knauf (3 out of 4 patents)

5. Gilles J Arsenault (2 out of 18 patents)

6. Neil T McManus (2 out of 4 patents)

7. William Hopkins (1 out of 5 patents)

8. Gabor Kaszas (1 out of 7 patents)

9. Stephen C Davis (1 out of 4 patents)

10. Kyosaku Sato (1 out of 13 patents)

11. William A Wiseman (1 out of 1 patent)

12. Trevor A Brown (1 out of 3 patents)

13. David L Drope (1 out of 1 patent)

14. Eric G Kent (1 out of 1 patent)

15. Chai H Ho (1 out of 1 patent)

24 patents: Sort by Forward Citations

1. 5442020 - Bimetallic metallocene alumoxane catalyst system and its use in the (1995-08-15),

2. 5428119 - Process for polybutadiene production using catalyst with high activity (1995-06-27),

3. 5412045 - Preparation of high cis-1,4-polybutadiene with reduced gel (1995-05-02),

4. 5407974 - Solution polymer recovery process (1995-04-18),

5. 5397851 - Process for cis-1,4-polybutadiene production with reduced gel formation (1995-03-14),

6. 5371313 - Purification of hydrocarbon streams (1994-12-06),

7. 5362817 - Polyisobutylene based block copolymers (1994-11-08),

8. 5342908 - Process for preparing halobutyl-type polymer (1994-08-30),

9. 5307695 - Water sampling unit (1994-05-03),

10. 5276094 - Compositions of butyl elastomers and block copolymers of polyisobutylene (1994-01-04),

11. 5268051 - Self-bonding tapes (1993-12-07),

12. 5264494 - Halogenated butyl rubber graft copolymers (1993-11-23),

13. 5260383 - Polyisobutylene based block copolymers (1993-11-09),

14. 5258467 - Catalytic solution hydrogenation of nitrile rubber (1993-11-02),

15. 5241013 - Catalytic hydrogenation of nitrile rubber (1993-08-31),

Polysar Rubber Corporation, headquartered in Sarnia, Canada, specializes in the development and manufacturing of synthetic rubber products. The company focuses on innovative solutions for various industries, including automotive, construction, and consumer goods. With a commitment to research and technology, Polysar leverages advanced materials science to enhance product performance and sustainability. Its expertise in polymer chemistry positions it as a key player in the rubber manufacturing sector, contributing to advancements in material applications and industry standards.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

24 Patents

#3 in Sarnia

#604 in Canada

#26,628 in the World

Polysar Rubber Corporation

Forward Citations = 238

22 inventors:

Akhtar Osman (6 out of 17 patents)

Garry Llewellyn Rempel (4 out of 26 patents)

Xiang-Yao Guo (4 out of 4 patents)

4. Thomas F Knauf (3 out of 4 patents)

5. Gilles J Arsenault (2 out of 18 patents)

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