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. 12, 2000
Filed:
May. 10, 1995
Applicant:
Inventors:
Assignee:
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; D06M / ;
U.S. Cl.
CPC ...
8111 ; 8137 ; 25230121 ; 25230122 ; 25230123 ; 25230124 ; 25230125 ; 25230127 ; 25230128 ; 25230129 ; 25230132 ; 501301 ; 501302 ; 501303 ; 501307 ; 501324 ; 501325 ; 427160 ; 427384 ; 442130 ; 442131 ; 442133 ;
Abstract
The present invention relates to a method for the improvement of the sun protection factor (SPF) of textile fiber material, comprising applying to the textile fiber material a detergent comprising at least one fluorescent whitening agent, which absorbs radiation in the wavelength range 280-400 nm, preferably by washing the textile fiber material with a detergent containing said fluorescent whitening agent.