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:
Oct. 02, 1979
Filed:
Jul. 11, 1977
Applicant:
Inventors:
Robert G Wall, Pinole, CA (US);
John B Wilkes, Richmond, CA (US);
Shigeto Suzuki, San Francisco, CA (US);
Assignee:
Chevron Research Company, San Francisco, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568857 ;
Abstract
An alkenediol is produced from an alkenol by contacting the alkenol with formaldehyde at a pH maintained between about 4 and 7. Preferably this pH range is maintained by adding a buffering agent composed of a weak acid and the salt of a weak acid. Particularly advantageous buffering agents are the lower organic polycarboxylic acids with disodium or dipotassium hydrogen phosphate and sodium or potassium dihydrogen phosphate with disodium or dipotassium hydrogen phosphate.