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:
May. 30, 1978
Filed:
Apr. 06, 1976
Applicant:
Inventors:
Assignee:
Takeda Chemical Industries, Ltd., Osaka, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
260681 ;
Abstract
A solid catalyst comprising (1) silver ion, (2) aluminum oxide and (3) silicon oxide, which may further comprise, as the fourth ingredient(s), the oxide and/or ion of one or more of transition elements, alkaline earth metals, boron, thallium, tin, lead and phosphorus gives a high yield of isoprene in the reaction of isobutylene and formaldehdye and has a prolonged catalytic activity.
Furuoya, Itsuo. (1978). Catalyst for the production of isoprene (U.S. Patent No. 4092372). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4092372
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile