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. 12, 1991
Filed:
Nov. 23, 1988
Applicant:
Inventors:
Rolf Kleber, Neu-Isenburg, DE;
Siegfried Billenstein, Burgkirchen, DE;
Lothar Jaeckel, Florsheim am Main, DE;
Ignaz Wimmer, Winhoring, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568601 ;
Abstract
Compounds of the formula ##STR1## where R.sub.1 denotes a group of the formula ##STR2## R.sub.2 denotes C.sub.1 -C.sub.4 -alkyl, R.sub.3 denotes hydrogen or methyl, n denotes a number from 5 to 100, m denotes an integer from 0 to 4 and x denotes the number of free valences of the particular R.sub.1 radical, a process for the preparation thereof, and the use thereof as fiber spin finishes.