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:
May. 16, 1989
Filed:
Feb. 16, 1988
Applicant:
Inventors:
Heinz Hefti, Reinach, CH;
Urs Lehmann, Basel, CH;
Dieter Reinehr, Kandern, DE;
Jurgen Kaschig, Freiburg, DE;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; C11D / ;
U.S. Cl.
CPC ...
252-86 ; 25230121 ; 25230122 ; 25230124 ; 25230127 ; 25230128 ; 427158 ;
Abstract
A process for increasing the degree of whitness of polyester-containing textile material by the combined application of a fluorescent whitening agent and, as booster, a compound which fluoresces in the absorption range of said fluorescent whitening agent, and a composition for whitening polyester-containing textile material.