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For the Inventor, By the Inventor

Marly, Switzerland

Hans R Meier

This inventor holds 14 USPTO granted patents. Top assignees: Ciba-Geigy Corporation, Ciba Specialty Chemicals Corporation. Active years: 1987-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hans R Meier. Retrieved from https://idiyas.com/inventor/hans-r-meier

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

Calculating rank
USPTO Granted Patents = 14

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 6

Forward Citations = 74(Granted Patents)


Company Filing History:

goldMedal13 out of 6,858 
 
Ciba-Geigy Corporation
 patents
silverMedal1 out of 1,524 
 
Ciba Specialty Chemicals Corporation
 patents

Years Active: 1987-1998

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14 patents (USPTO):Explore Patents
1. 5852090 - Norbornene-substituted bisphenol antioxidants (1998-12-22),
2. 5427701 - Substituted phenols as stabilizers (1995-06-27),
3. 5376290 - Substituted phenols as stabilizers (1994-12-27),
4. 5340855 - N-methylated bis-4-piperidylphosphite (1994-08-23),
5. 5239076 - N-methylated bis-4-piperidylphosphite (1993-08-24),
6. 5008459 - Substituted phenols as stabilizers (1991-04-16),
7. 4965006 - N-substituted tetrahydroquinolines for use as antioxidants in lubricants (1990-10-23),
8. 4929732 - N-substituted tetrahydroquinolines for use as antioxidants in lubricants (1990-05-29),
9. 4919832 - N-substituted tetrahydroquinolines for use as antioxidants in lubricants (1990-04-24),
10. 4874885 - Process for the preparation of mercaptomethylphenols (1989-10-17),
11. 4828741 - N-substituted tetrahydroquinolines for use as antioxidants in lubricants (1989-05-09),
12. 4798822 - Selected (1989-01-17),
13. 4759862 - O,p-bifunctionalized o'-substituted phenols (1988-07-26),
14. 4661594 - Certain (1987-04-28),

Title: The Innovations of Hans R Meier

Introduction

Hans R Meier is a notable inventor based in Marly, Switzerland. He has made significant contributions to the field of chemistry, particularly in the development of antioxidants and stabilizers. With a total of 14 patents to his name, Meier's work has had a lasting impact on various industries.

Latest Patents

Among his latest patents are innovative formulations such as Norbornene-substituted bisphenol antioxidants. These antioxidants are characterized by specific formulae where R₁ can be either methyl or hydrogen. Additionally, he has developed novel compositions that include elastomers or lubricants combined with compounds of defined formulae. These compounds are particularly recognized for their effectiveness as antioxidants.

Career Highlights

Throughout his career, Hans R Meier has worked with prominent companies, including Ciba-Geigy Corporation and Ciba Specialty Chemicals Corporation. His experience in these organizations has allowed him to refine his expertise and contribute to groundbreaking advancements in chemical formulations.

Collaborations

Meier has collaborated with notable colleagues such as Samuel Evans and Paul Dubs. These partnerships have facilitated the exchange of ideas and fostered innovation in their respective fields.

Conclusion

Hans R Meier's contributions to the field of chemistry through his patents and collaborations highlight his role as a significant inventor. His work continues to influence the development of new materials and technologies.

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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