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For the Inventor, By the Inventor

Brussels, Belgium

Rene Walraevens

This inventor holds 12 USPTO granted patents. Top assignees: Solvay & Cie, Propylox, Solvay Sa. Active years: 1976-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Rene Walraevens. Retrieved from https://idiyas.com/inventor/rene-walraevens

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

USPTO Granted Patents = 12

% Patents Active = 91.7

Average Co-Inventor Count = 2.5

ph-index = 6

Forward Citations = 87(Granted Patents)


Location History:

  • Brussels, B (1976)
  • Brussels, BE (1977 - 2020)

Company Filing History:

goldMedal6 out of 175 
 
Solvay & Cie
 patents
silverMedal2 out of 3 
 
Propylox
 patents
bronzeMedal2 out of 262 
 
Solvay Sa
 patents
4. 1 out of 32 
 
Interox (Societe Anonyme)
 patents
5. 1 out of 382 
 
Solvay (Societe Anonyme)
 patents

Years Active: 1976-2020

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12 patents (USPTO):Explore Patents
1. 10647813 - Process for the production of brominated polyether polyols (2020-05-12),
2. 5318673 - Process for the purification of 1,1-dichloro-1-fluoroethane (1994-06-07),
3. 5159126 - Process for the manufacture of 1-chloro-1,1-difluoroethane (1992-10-27),
4. 4675131 - Organic quaternary ammonium compounds and process for the preparation (1987-06-23),
5. 4424391 - Process for the manufacture of olefine oxides (1984-01-03),
6. 4391753 - Process for the manufacture of carboxylic peracids (1983-07-05),
7. 4267124 - Process for the manufacture of carboxylic peracids (1981-05-12),
8. 4173710 - Halogenated polyether polyols and polyurethane foams produced therefrom (1979-11-06),
9. 4072638 - Halogenated polyether polyols and polyurethane foams produced therefrom (1978-02-07),
10. 4067911 - Halogenated polyether-polyols and polyurethane foams manufactured from (1978-01-10),
11. 4020024 - Halogenated polyether-polyols and polyurethane foams manufactured from (1977-04-26),
12. 4000204 - Process for the purification of vinylidene chloride (1976-12-28),

Title: The Innovative Contributions of Rene Walraevens

Introduction

Rene Walraevens is a notable inventor based in Brussels, Belgium, recognized for his significant contributions to the field of chemical engineering. With a total of 11 patents to his name, Walraevens has made strides in developing processes that enhance the production and purification of various chemical compounds.

Latest Patents

Among his latest patents is a process for the production of brominated polyether polyols. This invention relates to brominated polyether polyols, processes for their production, and intermediates useful in creating flame-retardant blends, premixes, and polyurethane foams. Another significant patent involves the purification of 1,1-dichloro-1-fluoroethane. This process purifies crude 1,1-dichloro-1-fluoroethane by treating it with chlorine in the presence of an organic free radical initiator, followed by distillation.

Career Highlights

Throughout his career, Walraevens has worked with prominent companies such as Solvay & Cie and Propylox. His work in these organizations has allowed him to apply his innovative ideas and contribute to advancements in chemical processes.

Collaborations

Walraevens has collaborated with several professionals in his field, including Andre Collin and Luc Lerot. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Rene Walraevens stands out as a significant figure in the realm of chemical engineering, with a portfolio of patents that reflect his innovative spirit and dedication to advancing technology. His contributions continue to impact 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]
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