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For the Inventor, By the Inventor

Leverkusen, Germany

Norbert Weimann

This inventor holds 10 USPTO granted patents. Top assignee: Bayer Aktiengesellschaft. Active years: 1978-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norbert Weimann. Retrieved from https://idiyas.com/inventor/norbert-weimann

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

Calculating rank
USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 4.2

ph-index = 6

Forward Citations = 113(Granted Patents)


Company Filing History:

goldMedal10 out of 12,269 
 
Bayer Aktiengesellschaft
 patents

Years Active: 1978-1993

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10 patents (USPTO):Explore Patents
1. 5236782 - Microcapsules (1993-08-17),
2. 4882362 - Foamed microbeads and a process for their preparation (1989-11-21),
3. 4804687 - Foamed microbeads and a process for their preparation (1989-02-14),
4. 4592957 - Microcapsules having walls of polyaddition products of water-insoluble (1986-06-03),
5. 4517141 - Production of microcapsules having walls of polyaddition products of (1985-05-14),
6. 4428983 - Process for the production of microcapsules (1984-01-31),
7. 4404251 - Copying systems, a process for their production, and suitable printing (1983-09-13),
8. 4211699 - Isocyanate adduct diols (1980-07-08),
9. 4153775 - Self-crosslinkable polyurethanes (1979-05-08),
10. 4070345 - Monomethylol ether diols and polyurethane solutions prepared therefrom (1978-01-24),

Title: Norbert Weimann: Innovator in Microencapsulation Technology

Introduction

Norbert Weimann is a prominent inventor based in Leverkusen, Germany. He has made significant contributions to the field of microencapsulation, holding a total of 10 patents. His innovative work has had a substantial impact on various industries, particularly in the production of specialized papers.

Latest Patents

Weimann's latest patents include groundbreaking technologies in microcapsules. One of his notable inventions is a method for preparing microcapsules at low temperatures. These microcapsules feature walls created from a reaction between hydroxylamine and components reactive with amino and alcohol groups. They are particularly advantageous in the production of carbonless copying paper and thermal paper. Another significant patent involves foamed microbeads, which are characterized by a shell made from an NCO-containing carbodiimide and a polyamine. The core of these microbeads is partially filled with a polymeric carbodiimide or its reaction product with a polyamine, allowing them to be self-supporting and capable of carrying both hydrophilic and hydrophobic liquids.

Career Highlights

Norbert Weimann has built a successful career at Bayer Aktiengesellschaft, where he has been instrumental in advancing microencapsulation technologies. His work has not only led to numerous patents but has also positioned him as a key figure in the field.

Collaborations

Throughout his career, Weimann has collaborated with notable colleagues, including Ulrich Nehen and Manfred Dahm. These partnerships have fostered innovation and contributed to the development of new technologies in their respective fields.

Conclusion

Norbert Weimann's contributions to microencapsulation technology have established him as a leading inventor in his field. His patents reflect a commitment to innovation and have significant applications in various industries.

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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