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For the Inventor, By the Inventor

Krefeld, Germany

Wolfgang Alewelt

This inventor holds 38 USPTO granted patents, primarily in Polycarbonate Production. Top assignees: Bayer Aktiengesellschaft, Mobay Corporation. Active years: 1976-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Wolfgang Alewelt. Retrieved from https://idiyas.com/inventor/wolfgang-alewelt

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

USPTO Granted Patents = 38

% Patents Active = 92.1

Average Co-Inventor Count = 4.0

ph-index = 12

Forward Citations = 418(Granted Patents)


Company Filing History:

goldMedal38 out of 12,268 
 
Bayer Aktiengesellschaft
 patents
silverMedal1 out of 165 
 
Mobay Corporation
 patents
where one patent can have more than one assignee

Years Active: 1976-2004

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Areas of Expertise:
Polycarbonate
Polymer Synthesis
Transesterification
Thermoplastic
Diaryl Esters
Aromatic Polyesters
Polyarylene Sulphides
Catalysts
Flame Retardants
High Molecular Weight
Glass Fiber-Reinforced
Continuous Production
38 patents (USPTO):Explore Patents
1. 6734278 - Production of polyester carbonates (2004-05-11),
2. 6716933 - Working up of polymer synthesis solutions (2004-04-06),
3. 6680400 - Continuous process for the production of carboxylic acid diaryl esters (2004-01-20),
4. 6646099 - Production and use of polyester carbonates (2003-11-11),
5. 6613869 - Containers made of a branched polycarbonate (2003-09-02),
6. 6548691 - Process for producing carbonic acid diaryl ester (2003-04-15),
7. 5444148 - Improved transesterification process for the production of polycarbonates (1995-08-22),
8. 5418316 - Guanidine-derived catalyts for preparing polycarbonates by (1995-05-23),
9. 5399659 - Two-stage process for the production of thermoplastic polycarbonate (1995-03-21),
10. 5384389 - Process for the production of polycarbonates (1995-01-24),
11. 5373082 - Process for the production of thermoplastic polycarbonates (1994-12-13),
12. 5340905 - Process for the preparation of thermoplastic polycarbonates (1994-08-23),
13. 5317083 - Process for isolating polycarbonates from their solutions with tube (1994-05-31),
14. 5314985 - Molten, catalytic process for the preparation of polycarbonates (1994-05-24),
15. 5306805 - Process for the preparation of polyarylene sulphides (1994-04-26),

Title: Wolfgang Alewelt: Pioneering Innovator from Krefeld

Introduction:

Wolfgang Alewelt, a visionary inventor hailing from Krefeld, Germany, is renowned for his passion for innovation and relentless pursuit of excellence. With 38 patents to his name, Alewelt's contributions to the world of inventions have left an indelible mark on future generations of innovators.

Latest Patents:

Alewelt's latest patents showcase his technical acumen and creativity. One of his recent inventions is the process for the production of polyester carbonates with aliphatic dicarboxylic acids, revolutionizing the manufacturing of extrudates and molded articles. Additionally, his work on the working up of polymer synthesis solutions has paved the way for producing high-quality polymers with minimal decomposition defects.

Career Highlights:

Throughout his illustrious career, Alewelt has worked with esteemed companies such as Bayer Aktiengesellschaft and Mobay Corporation. His expertise and innovative approach have significantly impacted the research and development landscape, particularly in the fields of polymer synthesis and material science.

Collaborations:

Alewelt's collaborative spirit is evident in his partnerships with notable colleagues like Hermann Kauth and Erhard Tresper. Together, they have fueled groundbreaking research projects and contributed to the success of various inventive endeavors.

Conclusion:

In conclusion, Wolfgang Alewelt's unwavering commitment to innovation and his remarkable track record as an inventor have established him as a true pioneer in the realm of patents and inventions. His legacy continues to inspire budding inventors worldwide, underscoring the transformative power of creativity and dedication in driving technological 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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