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:
Mar. 04, 1986
Filed:
Nov. 01, 1982
Applicant:
Inventor:
Jeff T Fenton, Ponca City, OK (US);
Assignee:
Conoco Inc., Ponca City, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549347 ; 549357 ; 549368 ; 549369 ; 568594 ;
Abstract
Trioxane and other acetals are purified by contact with an alkali metal hydroxide and phase transfer catalyst followed by isolation in a purified form. This reaction provides acetals sufficiently pure for polymerization to high molecular weight.
Fenton, Jeff. (1986). Acetal purification using phase transfer catalysts (U.S. Patent No. 4574158). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4574158
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile