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For the Inventor, By the Inventor

Mannheim, Germany

Hans-Juergen Weyer

USPTO Granted Patents = 16

Average Co-Inventor Count = 3.6

ph-index = 7

Forward Citations = 96(Granted Patents)


Location History:

  • Ludwigshafen, DE (1991)
  • 6800 Mannheim 1, DE (1992)
  • Mannheim, DE (1992 - 1998)

Company Filing History:

goldMedal15 out of 10,754 
 
Basf Aktiengesellschaft
 patents
silverMedal1 out of 832,680 
Other
 patents

Years Active: 1991-1998

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16 patents (USPTO):Explore Patents
1. 5714638 - Preparation of polyoxyalkylene glycol monoether of tert-butyl alcohol (1998-02-03),
2. 5659068 - Preparation of polyoxyalkylene glycol monoesters of monocarboxylic acids (1997-08-19),
3. 5561217 - Preparation of polyether glycols (1996-10-01),
4. 5536854 - Preparation of 2-methyl-1,4-butanediol and 3-methyltetrahydrofuran (1996-07-16),
5. 5434273 - Preparation of N-substituted 2-pyrrolidones (1995-07-18),
6. 5416240 - Preparation of poloxy-alkylene glycols (1995-05-16),
7. 5414143 - Preparation of polyoxyalkylene glycol monoethers of monohydric alcohols (1995-05-09),
8. 5395959 - Adjustment of the average molecular weight of polyoxyalkylene glycols (1995-03-07),
9. 5391771 - Hydrogenation of citric acid (1995-02-21),
10. 5387701 - Preparation of 4-hydroxymethyltetrahydropyran (1995-02-07),
11. 5371242 - Preparation of products of the reduction of 4-hydroxybutyric acid (1994-12-06),
12. 5276165 - Preparation of N-substituted lactams (1994-01-04),
13. 5157127 - Preparation of N-substituted pyrrolidones (1992-10-20),
14. 5099074 - Process for the preparation of polyether glycols (1992-03-24),
15. 5097077 - Purification of heteropolyacid-containing polyalkylene ether glycols (1992-03-17),

Title: The Innovative Contributions of Hans-Juergen Weyer

Introduction

Hans-Juergen Weyer, a notable inventor hailing from Mannheim, Germany, has made significant contributions to the field of chemistry with an impressive portfolio of 16 patents. His work primarily focuses on the preparation of various polyoxyalkylene glycol derivatives, showcasing his innovative approach to chemical processes.

Latest Patents

Among his latest patents, two key innovations stand out. The first is the preparation of polyoxyalkylene glycol monoether of tert-butyl alcohol. This process involves the polymerization of tetrahydrofuran alongside specific comonomers, executed in water-free conditions with the aid of an anhydrous heteropoly acid catalyst. The second patent details the preparation of polyoxyalkylene glycol monoesters of monocarboxylic acids, similarly utilizing tetrahydrofuran and specific catalysts to produce novel chemical compounds.

Career Highlights

Throughout his career, Hans-Juergen has been associated with prominent companies, including BASF Aktiengesellschaft. His work has not only contributed to advancements in polymer chemistry but also paved the way for new applications of these compounds in various industries.

Collaborations

Collaboration has played a crucial role in Hans-Juergen’s journey as an inventor. He has worked closely with esteemed colleagues such as Rolf Hartmuth Fischer and Herbert Mueller, fostering an environment of innovation and shared knowledge.

Conclusion

Hans-Juergen Weyer’s enduring dedication to research and innovation is evident through his numerous patents and contributions to the field of chemistry. His work continues to influence and inspire future generations of inventors and scientists in the pursuit of technological advancements.

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