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For the Inventor, By the Inventor

Oberwil, Switzerland

Sheik A Zahir

This inventor holds 15 USPTO granted patents. Top assignees: Ciba-Geigy Corporation, Ciba-Geigy Corproation, Ciga-Geigy Corporation. Active years: 1980-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sheik A Zahir. Retrieved from https://idiyas.com/inventor/sheik-a-zahir

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 15

% Patents Active = 100.0

Average Co-Inventor Count = 2.1

ph-index = 8

Forward Citations = 127(Granted Patents)


Company Filing History:

goldMedal13 out of 6,858 
 
Ciba-Geigy Corporation
 patents
silverMedal1 out of 4 
 
Ciba-Geigy Corproation
 patents
bronzeMedal1 out of 9 
 
Ciga-Geigy Corporation
 patents

Years Active: 1980-1993

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15 patents (USPTO):Explore Patents
1. 5262501 - Mixtures of spiroheptadienes (1993-11-16),
2. 5045436 - Polymer compositions containing a dissolved dibenzalacetone palladium (1991-09-03),
3. 4954580 - Epoxysiloxanes (1990-09-04),
4. 4904734 - Dehydrogenated polyspiroheptadiene (1990-02-27),
5. 4840999 - Dehydrogenated polyspiroheptadiene (1989-06-20),
6. 4771111 - Polypyrrole/polyimide compositions (1988-09-13),
7. 4756848 - Curable mixtures containing copolymerizable dibenzalacetone palladium (1988-07-12),
8. 4724031 - 2,6-disubstituted 4-epoxypropylphenyl glycidyl ethers and the use thereof (1988-02-09),
9. 4721814 - Mercaptan-containing polyphenols (1988-01-26),
10. 4677170 - Polyepoxides and the use thereof (1987-06-30),
11. 4525572 - Heat-curable mixtures, stable on storage, based on polyimides and (1985-06-25),
12. 4468524 - Alkenylphenyl substituted acrylates or methacrylates (1984-08-28),
13. 4464486 - Foams of silicates and poly(meth)acrylic acids (1984-08-07),
14. 4384129 - Propenyl-substituted phenolglycidyl ethers, processes for producing (1983-05-17),
15. 4220741 - Curable mixtures based on maleimide prepolymers and acetone-anil (1980-09-02),

Title: Sheik A Zahir: Innovator in Polymer Chemistry

Introduction

Sheik A Zahir is a prominent inventor based in Oberwil, Switzerland. He has made significant contributions to the field of polymer chemistry, holding a total of 15 patents. His work focuses on innovative chemical compositions and their applications in various industries.

Latest Patents

Among his latest patents, Zahir has developed mixtures of spiroheptadienes. These mixtures comprise compounds that can be cured by heating and are particularly suitable for making laminates, especially for fabricating copper-clad circuit boards. Additionally, he has created polymer compositions containing dissolved dibenzalacetone palladium, showcasing his expertise in advanced chemical formulations.

Career Highlights

Throughout his career, Zahir has worked with notable companies, including Ciba-Geigy Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in polymer chemistry.

Collaborations

Zahir has collaborated with esteemed colleagues such as Bernd Tieke and Sameer H Eldin. These partnerships have further enhanced his research and development efforts, leading to impactful advancements in his field.

Conclusion

Sheik A Zahir's contributions to polymer chemistry and his impressive portfolio of patents highlight his role as a leading innovator. His work continues to influence the industry and pave the way for future advancements.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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