IDiyas

For the Inventor, By the Inventor

Tokyo, Japan

Syoji Morimura

USPTO Granted Patents = 23

Average Co-Inventor Count = 5.0

ph-index = 9

Forward Citations = 229(Granted Patents)


Location History:

  • Hiro, JA (1976)
  • Hiromachi, JA (1976)
  • Tokyo, JA (1976 - 1978)
  • Tokyo, JP (1978)
  • Kanagawa, JP (1980)
  • Yokohama, JP (1982)
  • Hiromachi, JP (1979 - 1983)

Company Filing History:

goldMedal23 out of 613 
 
Sankyo Company, Limited
 patents
silverMedal1 out of 6,850 
 
Ciba-geigy Corporation
 patents
where one patent can have more than one assignee

Years Active: 1976-1983

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23 patents (USPTO):
1. 4413076 - Polyalkylpiperdine side chain stabilizers for synthetic polymer (1983-11-01),
2. 4321374 - Triazine derivatives (1982-03-23),
3. 4265803 - Polymers containing polyalkylpiperidines and use thereof as stabilizers (1981-05-05),
4. 4241208 - Piperidine derivatives (1980-12-23),
5. 4237294 - 2,2,6,6-Tetramethylpiperidine derivatives (1980-12-02),
6. 4219465 - Piperidine-spiro-hydantoin derivatives and their use as polymer (1980-08-26),
7. 4212974 - Piperidine derivatives (1980-07-15),
8. 4166813 - Polyalkylated 4-aminopiperidine derivatives (1979-09-04),
9. 4162246 - Hydantoin derivatives and their use as polymer stabilizers (1979-07-24),
10. 4125533 - Piperidine derivatives (1978-11-14),
11. 4118368 - Synthetic polymer stabilizers (1978-10-03),
12. 4066615 - Polymer compositions containing piperidine derivatives as stabilizers (1978-01-03),
13. 4061616 - Stabilization of synthetic polymers (1977-12-06),
14. 4055536 - 4,4'-Bipiperidylidene derivatives and their use as stabilizers (1977-10-25),
15. 4016168 - Piperidine derivatives (1977-04-05),

Title: Syoji Morimura: A Pioneer in Polymer Stabilization

Introduction

Syoji Morimura, based in Tokyo, Japan, is a distinguished inventor known for his innovative contributions to the field of polymer chemistry. With a remarkable portfolio of 23 patents, Morimura has significantly advanced the development of stabilizers for synthetic polymers.

Latest Patents

One of his latest patents details the invention of polyalkylpiperdine side chain stabilizers for synthetic polymers. This breakthrough involves polymers containing polyalkylpiperidines, which are prepared and utilized as stabilizers for synthetic polymer compositions. These polymers exhibit a superior stabilizing effect against light and heat-induced deterioration, particularly in polyolefins. Notably, the polymers are characterized by their low volatility during heat processing and resistance to solvent extraction.

Additionally, Morimura has introduced novel triazine derivatives that serve as light stabilizers for synthetic polymers. Represented by a specific general formula, these compounds improve the stability of various synthetic polymer compositions, much like his other inventions, ensuring low volatility and resistance to extraction with water and solvents.

Career Highlights

Morimura's impressive career spans several notable companies where he has made a substantial impact. He has worked at Sankyo Company, Limited, and Ciba-Geigy Corporation, contributing his expertise in polymer chemistry and stabilization techniques.

Collaborations

Throughout his career, Morimura has collaborated with respected professionals in the field, including Takao Yoshioka and Tomoyuki Kurumada. These partnerships have fostered an environment of innovation and have led to significant advancements in polymer stabilization.

Conclusion

Syoji Morimura's work in the development of stabilizers for synthetic polymers marks him as a key figure in the field of polymer chemistry. His contributions, encapsulated in his extensive patent portfolio, continue to influence the industry, providing solutions to enhance the durability and performance of synthetic materials.

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