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. 14, 1980
Filed:
Nov. 27, 1978
Applicant:
Inventors:
Moustafa El-Chahawi, Troisdorf, DE;
Uwe Prange, Niederkassel-Ranze, DE;
Assignee:
Dynamit Nobel Aktiengesellschaft, Troisdorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604 / ; 2604651 ; 2604654 ; 2604656 ; 2604 / ; 546330 ;
Abstract
A method for the preparation of a compound of the formula ##STR1## or salt thereof bearing one or more .alpha.-hydroxymethylene groups, wherein the univalent moiety R is hydrogen, a straight chain or branched alkyl group of 1 to 20 carbon atoms, a straight chain or branched moiety of the formula