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. 08, 1980
Filed:
Dec. 09, 1977
Applicant:
Inventor:
Jean P Luttringer, Rixheim, FR;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ; D06P / ;
U.S. Cl.
CPC ...
8526 ; 8539 ; 8620 ; 8625 ; 8618 ; 8634 ;
Abstract
Described is a process for dyeing polyester materials, or mixtures thereof with other fibres, by the exhaust method from an aqueous liquor, in which process the liquor contains at least 0.2 percent by weight, relative to the material, of at least one alkaline-earth metal salt, aluminium salt or organic ammonium salt of a mono- or polyvalent aliphatic organic acid or of a mono- or polyvalent inorganic acid. Preferably calcium chloride or magnesium chloride are used.