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:
Jan. 27, 1981
Filed:
Feb. 12, 1979
Applicant:
Inventor:
Albert Wurmli, Riehen, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C14C / ; C08G / ;
U.S. Cl.
CPC ...
8 9424 ; 528150 ; 528153 ; 528158 ; 525509 ; 525516 ;
Abstract
The invention relates to sulphonated, aromatic reaction products as agents for tanning hides and leather. They are obtained by reacting a sulphonation product, which is previously formed from a diphenyl ether, a phenol and a sulphonating agent, with formaldehyde, with a reaction mixture of an aminoplast-forming agent and formaldehyde or with an aminoplast precondensate.