Company Filing History:

23 out of 6,858

Ciba-geigy Corporation

patents

Years Active: 1976-1991

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26 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5026815 - Chain-lengthening agents for (1991-06-25),

2. 4950792 - Substituted p,p'-methylene-bis-anilines (1990-08-21),

3. 4333868 - Phosphite ester stabilizers (1982-06-08),

4. 4333841 - Dithiophosphate lubricant additives (1982-06-08),

5. 4263157 - Chlorinated derivatives of butyric acid as useful lubricant additives (1981-04-21),

6. 4251341 - Photoinitiators for UV-curable systems (1981-02-17),

7. 4248723 - Acetal derivatives as extreme pressure additives for lubricants (1981-02-03),

8. 4246198 - Hindered phenolic amides (1981-01-20),

9. 4243816 - Phenol-acetals (1981-01-06),

10. 4177213 - Process for benzylating ketones (1979-12-04),

11. 4164611 - Aromatic sulfonyl hydrazides and semicarbazides as chemical blowing (1979-08-14),

12. 4160794 - 1-Oxo-2,2-[dialkylphosphono(alkyl)alkyloxy]-1,2-diphenylethane (1979-07-10),

13. 4146531 - Diones and their use as polymer stabilizers (1979-03-27),

14. 4134879 - Thioether-containing phenolic antioxidant stabilized polymers (1979-01-16),

15. 4132702 - Phenol esters and amides and polymers stabilized therewith (1979-01-02),

Title: Innovator Spotlight: Andreas Schmidt

Introduction: Andreas Schmidt, a prolific inventor based in Reinach, Switzerland, has garnered an impressive portfolio of 26 patents throughout his career. His work primarily focuses on advancements in polymer technology, specifically in the field of polyurethane elastomers.

Latest Patents: Among his notable contributions, Schmidt has developed innovative chain-lengthening agents aimed at enhancing the properties of polyurethane. His latest patents include:

1. Chain-lengthening agents based on chlorinated 4,4'-methylenebisanilines for p-phenylene-methylenediisocyanate prepolymer, which are crucial for the fabrication of cast polyurethane elastomers.

2. Substituted p,p'-methylene-bis-anilines, introducing new methylenebis(metachloro)anilines that serve as effective chain-lengthening or cross-linking agents for polyurethanes.

Career Highlights: Andreas Schmidt has been associated with prominent companies such as Ciba-Geigy Corporation and Lonza Inc., where he made significant contributions to the development of innovative materials that have broad industrial applications.

Collaborations: Throughout his career, Schmidt has had the opportunity to work alongside esteemed colleagues such as Siegfried Rosenberger and Rudolf Kirchmayr. Their collaborative efforts have fostered a dynamic environment for innovation within the polymer industry.

Conclusion: Andreas Schmidt’s contributions to the field of polymer technology have had a lasting impact, with his 26 patents illustrating his commitment to innovation and excellence. His ongoing work continues to shape the future of materials science, particularly in the development of effective polyurethane solutions.

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