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:
Sep. 06, 1977
Filed:
Sep. 12, 1975
Applicant:
Inventors:
Hans Heini Zweifel, Binningen, CH;
Arthur Buehler, Rheinfelden, CH;
Alfred Fasciati, Bottmingen, CH;
Assignee:
Ciba-Geigy AG, Basel, CH;
Primary Examiner:
Int. Cl.
CPC ...
D06P / ;
U.S. Cl.
CPC ...
8 79 ; 8 1 / ; 8 1 / ; 8 1 / ; 8 1 / ; 8 65 ; 8 68 ; 8163 ;
Abstract
New commercial packages of organic dyestuffs, characterised in that they consist of an organic dyestuff or an optical brightener in dry, pulverulent form that is provided with a wrapping, which is soluble in a solvent suitable for the preparation of a dye solution or dye paste, and with the dyestuff or optical brightener so wrapped being optionally provided with a second wrapping that is preferably impervious to water.