The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 14, 1984
Filed:
Jun. 11, 1982
Applicant:
Inventors:
Tsukasa Maekawa, Tokushima, JP;
Takeshi Gondo, Tokushima, JP;
Shigeo Takahashi, Tokushima, JP;
Hidetoshi Kume, Tokushima, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568652 ; 570235 ;
Abstract
A process for preparing o-methallyloxyphenol by reacting catechol with methallyl chloride in the presence of at least one of KI and NaI serving as a catalyst with use of a base, and an organic solvent or a mixture of an organic solvent and water, the process being characterized in that methallyl chloride is reacted with the catalyst after the reaction to recover the catalyst as converted to methallyl iodide and reuse the catalyst.
Maekawa, Tsukasa. (1984). Process for preparing o-methallyloxyphenol (U.S. Patent No. 4465867). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4465867
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile