Saint Julien les Martigues, France

Charles F Raufast

This inventor holds 1 USPTO granted patent. Top assignee: Naphtachimie. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles F Raufast. Retrieved from https://idiyas.com/inventor/charles-f-raufast

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 23(Granted Patents)


Company Filing History:


Years Active: 1977

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Charles F Raufast: Innovator in Polymerization Technology

Introduction

Charles F Raufast is a notable inventor based in St. Julien les Martigues, France. He has made significant contributions to the field of polymer chemistry, particularly in the dry polymerization of olefins. His innovative approach has led to advancements in the production of high molecular weight polymers.

Latest Patents

Raufast holds a patent for the "Dry polymerization of olefins in reaction vessels arranged in series." This patent describes a method for producing polymers with a molecular weight exceeding 50,000 using a catalyst system that includes a transition metal compound and an organo-metallic co-catalyst. The process involves a series of reaction vessels where the formed polymer is transferred, and additional co-catalyst is introduced in a controlled manner. The recycling of gaseous effluents enhances the efficiency of the polymerization process.

Career Highlights

Charles F Raufast is associated with Naphtachimie, a company known for its expertise in chemical production. His work has been instrumental in developing new methodologies that improve polymer production efficiency and quality. Raufast's innovative techniques have positioned him as a key figure in the field of polymer chemistry.

Collaborations

Raufast has collaborated with notable colleagues such as Francois Caumartin and Laszlo Havas. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas in the field of polymer research.

Conclusion

Charles F Raufast's contributions to the field of polymerization have paved the way for advancements in the production of high-quality polymers. His innovative methods and collaborative efforts continue to influence the industry positively.

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]
Loading…