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:
Sep. 13, 1988

Filed:

Mar. 17, 1987
Applicant:
Inventors:

Neil A Evans, East Ivanhoe, AU;

Ian H Leaver, Cheltenham, AU;

Judi Rosevear, Wantirna South, AU;

Peter J Waters, Gladstone Park, AU;

John F Wilshire, Surrey Hills, AU;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; G03C / ; G03C / ; D06M / ;
U.S. Cl.
CPC ...
81281 ; 811551 ; 81157 ; 81275 ; 811558 ; 8490 ;
Abstract

A method for protecting synthetic and natural fibres against phototendering. The method comprises treating the fibres with a substituted benzotriazolesulfonate of the following formula: ##STR1## wherein (I) R.sub.1 is hydrogen or halogen, R.sub.2 is hydrogen or alkyl, R.sub.3 is hydrogen or hydroxy, R.sub.4 is --SO.sub.3 X where X is hydrogen or an alkali metal, and R.sub.5 is hydrogen, with the proviso that R.sub.2 is not methyl when R.sub.1 and R.sub.3 are hydrogen; or


Find Patent Forward Citations

Evans, Neil. (1988). Use of substituted 2-(2'-hydroxyaryl)-2h-benzotriazolesulfonates as (U.S. Patent No. 4770667). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4770667

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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