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For the Inventor, By the Inventor

Wetzlar, Germany

Otto-Christian Geyer

This inventor holds 5 USPTO granted patents. Top assignee: Bayer Aktiengesellschaft. Active years: 1983-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Otto-Christian Geyer. Retrieved from https://idiyas.com/inventor/otto-christian-geyer

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 5

Forward Citations = 265(Granted Patents)


Location History:

  • Wetzlar, DE (1983 - 1989)
  • Braunfels, DE (1991)

Company Filing History:

goldMedal5 out of 12,268 
 
Bayer Aktiengesellschaft
 patents

Years Active: 1983-1991

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5 patents (USPTO):Explore Patents
1. 5077335 - Optically clear silicone compositions (1991-12-31),
2. 4866148 - Hydrophilic copolymers, the use thereof as biomedical materials and (1989-09-12),
3. 4703097 - Optical contact objects (1987-10-27),
4. 4533397 - Use of polymer alloys based on cellulose esters in contact ophthalmics, (1985-08-06),
5. 4384097 - Contact lenses of methyl methacrylate copolymers (1983-05-17),

Title: Otto-Christian Geyer: Innovator in Optically Clear Compositions

Introduction

Otto-Christian Geyer is a notable inventor based in Wetzlar, Germany. He has made significant contributions to the field of optically clear silicone compositions, particularly in the production of contact optical articles. With a total of 5 patents to his name, Geyer continues to push the boundaries of innovation in biomedical materials.

Latest Patents

Geyer's latest patents include groundbreaking work on optically clear silicone compositions. This invention focuses on polysiloxane-based compositions that are particularly useful for creating contact lenses, scleral lenses, and intraocular lenses. Another significant patent involves hydrophilic copolymers, which are new cross-linked copolymers of N-vinyl pyrrolidone and N-alkyl-N-vinyl carboxylic acid amides. These copolymers exhibit a water absorption capacity of up to about 80% by weight in their hydrated state, making them suitable for producing shaped articles that come into contact with living tissue, such as soft contact lenses and scleral lenses designed for prolonged wear.

Career Highlights

Geyer is currently associated with Bayer Aktiengesellschaft, a leading global company in the life sciences sector. His work at Bayer has allowed him to develop innovative solutions that enhance the quality and functionality of optical materials. His contributions have been instrumental in advancing the field of biomedical applications.

Collaborations

Throughout his career, Geyer has collaborated with esteemed colleagues such as Frank Wingler and Peter Schwabe. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Otto-Christian Geyer stands out as a prominent inventor in the realm of optically clear compositions. His innovative patents and collaborations have significantly impacted the field of biomedical materials, particularly in the production of contact lenses. Geyer's work continues to inspire advancements in optical technology.

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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