Company Filing History:

4 out of 31

Tosoh Finechem Corporation

patents

where one patent can have more than one assignee

Years Active: 1998-2023

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11840522 - Method of stabilizing perfluoro(2-methylene-4-methyl-1,3-dioxolane) and composition containing stabilized perfluoro(2-methylene-4-methyl-1,3-dioxolane) (2023-12-12),

2. 11555024 - Aldehyde adduct of hexafluoropropylene oxide, method of manufacturing trifluoropyruvyl fluoride dimer and method of manufacturing perfluoro(2,4-dimethyl-2-fluoroformyl-1,3-dioxolane) (2023-01-17),

3. 11352457 - Fluorine-containing compound having unsaturated bond, and surface modifier using the same (2022-06-07),

4. 10654779 - Substituted bis(trifluorovinyl)benzene compound (2020-05-19),

5. 7615669 - Process for producing fluoro-compounds (2009-11-10),

6. 7220878 - Method of purifying and separating 2-fluoro-3-oxoalkylcarboxylic acid ester (2007-05-22),

7. 7019162 - Process for preparing 2-fluoro-3-oxoalkylcarboxylic acid ester (2006-03-28),

8. 5777007 - Brominated p-cumylphenol flame-retardants for resin composition (1998-07-07),

Title: Norihisa Kondo: Innovator in Chemical Stabilization

Introduction

Norihisa Kondo is a prominent inventor based in Shunan, Japan. He has made significant contributions to the field of chemical stabilization, holding a total of eight patents. His work focuses on innovative methods that enhance the stability of various chemical compounds.

Latest Patents

Kondo's latest patents include a method of stabilizing perfluoro(2-methylene-4-methyl-1,3-dioxolane) and a composition containing stabilized perfluoro(2-methylene-4-methyl-1,3-dioxolane). This stabilization method involves incorporating specific hydroxy group-containing fluoroaromatic compounds into the composition. Additionally, he has developed a method for manufacturing a trifluoropyruvyl fluoride dimer, which includes a reaction step involving hexafluoropropylene oxide and aldehyde. Another notable patent is the method of manufacturing perfluoro(2,4-dimethyl-2-fluoroformyl-1,3-dioxolane).

Career Highlights

Throughout his career, Kondo has worked with notable companies such as Tosoh Finechem Corporation and Tosoh Corporation. His expertise in chemical processes has led to advancements in the stability and manufacturing of various chemical compounds.

Collaborations

Kondo has collaborated with several professionals in his field, including Hideyuki Mimura and Kosuke Kawada. These collaborations have contributed to the development of innovative solutions in chemical stabilization.

Conclusion

Norihisa Kondo's contributions to the field of chemical stabilization through his patents and collaborations highlight his role as a significant inventor. His work continues to influence advancements in chemical processes and stability.

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3 patents (EPO):

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