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For the Inventor, By the Inventor

Ludwigshafen, Germany

Ortwin Schaffer

This inventor holds 18 USPTO granted patents, primarily in Dye Chemistry. Top assignee: Basf Aktiengesellschaft. Active years: 1987-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ortwin Schaffer. Retrieved from https://idiyas.com/inventor/ortwin-schaffer

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

Calculating rank
USPTO Granted Patents = 18

% Patents Active = 100.0

Average Co-Inventor Count = 4.2

ph-index = 5

Forward Citations = 83(Granted Patents)


Company Filing History:

goldMedal18 out of 10,816 
 
Basf Aktiengesellschaft
 patents

Years Active: 1987-1998

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Areas of Expertise:
Reactive Azo Dyes
Aminonaphthalene
Pyridone Compounds
Self-Tanning
Condensation Polymers
Copolymers
Quaternized Products
Leather Dyeing
Sulfobenzene Dyes
Tanning Assistants
Deliming Agents
Pigments
18 patents (USPTO):Explore Patents
1. 5789557 - Reactive azo dyes with a coupler of the aminonaphthalene series (1998-08-04),
2. 5510468 - Amino benzophenone dye (1996-04-23),
3. 5380859 - Pyridone compounds and the preparation of disulfonated pyridone compounds (1995-01-10),
4. 5372609 - Self-tanning, pretanning and assist tanning of pelts and skin pelts and (1994-12-13),
5. 5342916 - Condensation polymers of sulfonated phenols, urea, other organic (1994-08-30),
6. 5320647 - Fluent polyazo dye preparations and method of dying leather or wool (1994-06-14),
7. 5286263 - Use of copolymers based on long-chain alkyl vinyl ethers and (1994-02-15),
8. 5279613 - Copolymers based on long-chain olefins and ethylenically unsaturated (1994-01-18),
9. 5224963 - Quaternized condensation products for aftertreating dyed leather (1993-07-06),
10. 5155164 - Products of the condensation of phenolmonosulfonic acids, (1992-10-13),
11. 5124181 - Copolymers based on long-chain unsaturated esters and ethylenically (1992-06-23),
12. 5104979 - Polyazo dyes with diazo components of the aminophenol and the amino (1992-04-14),
13. 4983185 - Dyeing of leather with pigments (1991-01-08),
14. 4936864 - Condensates of bis-(4-hydroxyphenyl) sulfone as tanning assistants, (1990-06-26),
15. 4888412 - Tanning assistant (1989-12-19),

Title: Ortwin Schaffer: Pioneering Innovations in Renewable Energy

Introduction:

Ortwin Schaffer, a visionary inventor based in Ludwigshafen, Germany, has been at the forefront of sustainable innovation. His relentless pursuit of creating a more eco-friendly world has garnered him global recognition for his groundbreaking work in renewable energy.

Latest Patents:

Schaffer's latest patents include innovative inventions such as Reactive azo dyes with a coupler of the aminonaphthalene series, Amino benzophenone dye, and novel pyridone compounds. These patents showcase his expertise in developing environmentally-friendly solutions for various industries.

Career Highlights:

With an impressive portfolio of 18 patents, Ortwin Schaffer has established himself as a leading figure in the renewable energy sector. His contributions to Basf Aktiengesellschaft, a prominent company in the industry, have revolutionized the way we approach sustainability and environmental conservation.

Collaborations:

Schaffer's collaborative spirit is evident in his work with esteemed colleagues Karl Stork and Rolf Streicher. Together, they have pushed the boundaries of innovation, paving the way for new technologies and processes that prioritize sustainability and efficiency.

Conclusion:

Ortwin Schaffer's commitment to driving positive change through innovation is evident in his extensive body of work and dedication to creating a more sustainable world. His inventions continue to inspire individuals and industries alike to embrace renewable energy solutions and work towards a greener future.

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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