Company Filing History:

14 out of 6,850

Ciba-geigy Corporation

patents

2 out of 1,524

Ciba Specialty Chemicals Corporation

Years Active: 1976-1998

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17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5763512 - Stabilization of polyamide, polyester and polyketone (1998-06-09),

2. 5760111 - o-Hydroxyphenyl-s-triazines (1998-06-02),

3. 5488112 - Dimeric benzotriazoles as UV absorbers (1996-01-30),

4. 5288778 - Stabilized polymers having hetero atoms in the main chain (1994-02-22),

5. 4960808 - Stabilized ethylene monoxide-olefin copolymers (1990-10-02),

6. 4708979 - Process for the stabilization of spherically polymerized polyolefins (1987-11-24),

7. 4288565 - Storable, solid mixture for the preparation of plastics which are based (1981-09-08),

8. 4246366 - Mixtures of glycidylated hydantoins and polyhydric phenols and the use (1981-01-20),

9. 4164611 - Aromatic sulfonyl hydrazides and semicarbazides as chemical blowing (1979-08-14),

10. 4161580 - Thermosetting mixtures of polyimide beta-amino crotonic acid derivative (1979-07-17),

11. 4089845 - Thermosetting mixtures which are stable on storage from polyimide and .beta (1978-05-16),

12. 4076697 - Process for the manufacture of polyaddition products containing imide (1978-02-28),

13. 4038251 - Process for the manufacture of polyaddition products containing imide (1977-07-26),

14. 4031043 - Process for the manufacture of foams from epoxide resins (1977-06-21),

15. 3950279 - Mixtures, containing polyimides, which can be converted to (1976-04-13),

Title: The Innovative Contributions of Andre Schmitter

Introduction

Andre Schmitter is a notable inventor based in Hegenheim, France. He has made significant contributions to the field of polymer chemistry, holding a total of 17 patents. His work primarily focuses on the stabilization of various polymer materials, which has important applications in multiple industries.

Latest Patents

One of Schmitter's latest patents involves the stabilization of polyamide, polyester, and polyketone. This invention relates to compositions that include a polyamide, polyester, or polyketone, combined with a specific organic phosphite (Irgafos.RTM.12, Ciba-Geigy) and a sterically hindered phenol such as Irganox.RTM.1098, Irganox.RTM.1076, Irganox.RTM.1010, Irganox.RTM.245, Irganox.RTM.259, Irganox.RTM.1035, Irganox.RTM.3114, or Irganox.RTM.3125 (Ciba-Geigy). This invention aims to stabilize these materials against oxidative, thermal, and light-induced degradation. Another significant patent involves o-Hydroxyphenyl-s-triazines, which contain at least two alkoxyphenyl substituents. These compounds are suitable as stabilizers for textile fiber materials, particularly polyester fiber materials, and for organic polymers. Additionally, they can be used as sunscreens in cosmetic preparations.

Career Highlights

Throughout his career, Schmitter has worked with prominent companies such as Ciba-Geigy Corporation and Ciba Specialty Chemicals Corporation. His experience in these organizations has allowed him to develop innovative solutions that address the challenges faced in polymer stabilization.

Collaborations

Schmitter has collaborated with notable individuals in his field, including Theobald Haug and Jean-Luc Birbaum. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Andre Schmitter's contributions to polymer chemistry and stabilization have made a significant impact on various industries. His innovative patents and collaborations highlight his dedication to advancing technology in this field.

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