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For the Inventor, By the Inventor

Beindersheim, Germany

Rudi W Reffert

This inventor holds 11 USPTO granted patents. Top assignee: Basf Aktiengesellschaft. Active years: 1976-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Rudi W Reffert. Retrieved from https://idiyas.com/inventor/rudi-w-reffert

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

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 4.9

ph-index = 7

Forward Citations = 170(Granted Patents)


Company Filing History:

goldMedal11 out of 10,816 
 
Basf Aktiengesellschaft
 patents

Years Active: 1976-1987

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11 patents (USPTO):Explore Patents
1. 4654418 - Continuous removal of the catalyst from polyphenylene ethers (1987-03-31),
2. 4536567 - Removal of the catalyst from polyphenylene ethers (1985-08-20),
3. 4503219 - Treatment of (Co)polymers to remove residual monomers (1985-03-05),
4. 4496679 - Stabilization of polyphenylene ether solutions (1985-01-29),
5. 4482705 - Removal of the catalyst from polyphenylene ethers (1984-11-13),
6. 4460764 - Removal of the catalyst from polyphenylene ethers (1984-07-17),
7. 4436870 - Production of molding materials containing polyphenylene ethers (1984-03-13),
8. 4153501 - Process and apparatus for removing vaporizable constituents from viscous (1979-05-08),
9. 4150719 - Process and apparatus for controlled and gentle heating or cooling of (1979-04-24),
10. 4065532 - Process for the admixture of additives into plastics with simultaneous (1977-12-27),
11. 3954722 - Manufacture of uniform polymers (1976-05-04),

Title: Rudi W Reffert: Innovator in Polyphenylene Ether Technology

Introduction

Rudi W Reffert is a notable inventor based in Beindersheim, Germany. He has made significant contributions to the field of polymer chemistry, particularly in the development of polyphenylene ethers. With a total of 11 patents to his name, Reffert's work has had a lasting impact on the industry.

Latest Patents

Reffert's latest patents focus on the continuous removal of catalysts in the preparation of high molecular weight polyphenylene ethers. His innovative methods involve the oxidative coupling reaction of monohydric phenols, which are specifically alkyl-substituted. The process utilizes a catalyst complex derived from a copper salt and an organic amine, ensuring efficient removal of the metal component from the polymer solution. This advancement not only enhances the quality of the polyphenylene ethers produced but also streamlines the manufacturing process.

Career Highlights

Throughout his career, Rudi W Reffert has been associated with BASF Aktiengesellschaft, a leading chemical company. His expertise in polymer chemistry has positioned him as a key figure in the development of new materials and processes. His patents reflect a commitment to innovation and improvement in the field.

Collaborations

Reffert has collaborated with esteemed colleagues such as Adolf Echte and Juergen Hambrecht. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in technology.

Conclusion

Rudi W Reffert's contributions to the field of polyphenylene ethers exemplify the spirit of innovation. His patents and collaborative efforts continue to influence the industry, showcasing the importance of research and development in advancing chemical technologies.

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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