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:
Nov. 07, 1978
Filed:
Mar. 23, 1977
Applicant:
Inventors:
Peter Fitton, Pequannock, NJ (US);
Harold Moffet, Fairlawn, NJ (US);
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2604106 ; 560-8 ; 560 20 ; 560 21 ; 560 22 ; 560 56 ; 560 64 ; 560100 ; 560112 ; 560238 ; 560262 ; 560264 ;
Abstract
Preparation of carboxylic acid esters of .gamma.-hydroxy-tiglic-aldehyde from bismonocarboxylic acid esters of but-2-en-1,4-diol via 1,4-diacetoxy-2-formyl butane including intermediates in this synthesis.