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.

Date of Patent:
Jun. 09, 1981

Filed:

Sep. 18, 1979
Applicant:
Inventor:

Fridolin Babler, Allschwil, CH;

Assignee:

Ciba-Geigy Corporation, Ardsley, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; C09B / ; C09B / ;
U.S. Cl.
CPC ...
106309 ; 1062 / ; 1063 / ; 260152 ; 260154 ; 260157 ; 260165 ; 260176 ; 260184 ; 260187 ; 260188 ; 260208 ; 260315 ; 260317 ; 260318 ; 2603 / ; 2603 / ; 542423 ; 544143 ; 544215 ;
Abstract

A process for conditioning a pigment or disperse dye which comprises treating the colorant with liquid ammonia and results in an improvement of the dyeing properties and may be accompanied by a conversion into another modification. The pigments afforded by the instant process are particularly suitable for pigmenting material of high molecular weight.


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