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:
Aug. 03, 1976
Filed:
Jul. 11, 1974
Applicant:
Inventor:
Max Schwank, Basel, CH;
Assignee:
Ciba-Geigy AG, Basel, CH;
Primary Examiner:
Int. Cl.
CPC ...
D06P / ;
U.S. Cl.
CPC ...
8 10 ; 8 1 / ; 8 88 ; 8 89 / ; 8 93 ;
Abstract
A new process for dyeing furs and skins below 70.degree.C is provided, which process is carried out with aqueous dyebaths containing a dyestuff, up to 15 g per liter of the whole preparation of an organic non-ionizable oxo compound with only limited solubility in water and optionally an emulsifier for these compounds. According to this process furs and skins can be dyed in deep and level shades with a broad scope of dyestuffs without any pretreatments for improving the dye-receptivity of the substrates.