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:
Feb. 13, 1979
Filed:
Oct. 11, 1977
Applicant:
Inventors:
Robert G Wall, Pinole, 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 ...
562540 ;
Abstract
A process for producing 3-methyl-3-buten-1-ol from 3-methyl-2-pentene-1,5-diol which comprises heating 3-methyl-2-pentene-1,5-diol at a temperature between 200.degree. and 450.degree. C. in the presence of isobutene. According to a preferred embodiment, the heating step and a distillation step to separate 3-methyl-2-pentene-1,5-diol from 3-methylene-1,5-pentanediol is incorporated into a citric acid synthesis method to increase the yield of citric acid from isobutene plus formaldehyde.