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:
Jul. 03, 1990
Filed:
Jun. 22, 1988
Applicant:
Inventors:
Heinz Uhrig, Steinbach/Taunus, DE;
Siegfried Schwerin, Hofheim am Taunus, DE;
Reinhold Deubel, Bad Soden am Taunus, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08H / ; C08L / ;
U.S. Cl.
CPC ...
530212 ; 530211 ; 524801 ;
Abstract
Nitrogen-containing condensation products based on unmodified or modified natural resins, process for the preparation thereof and the use thereof. The invention relates to surface-active agents of the general formula