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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.:

US 5387264 B1

PDFFull Text
Date of Patent:
Feb. 07, 1995

Filed:

Mar. 31, 1994

Method for dyeing or coloring organic macromolecular substance by using

Applicant:
Inventors:

Yasuo Murakami, Kawaguchi, JP;

Ryuzo Orita, Showa, JP;

Tadaaki Sugimoto, Kawaguchi, JP;

Masao Ohnishi, Saitama, JP;

Assignee:

Nippon Kayaku Kabushiki Kaisha, Tokyo, JP;

Attorney:

Nields & Lemack

Primary Examiner:

Paul Lieberman

Assistant Examiner:

Margaret Einsmann

Int. Cl.
CPC ...
C09B / ;
U.S. Cl.
CPC ...
8648 ; 546 45 ; 8509 ; 8514 ; 8922 ;
Abstract

The invention discloses a method for dyeing a hydrophobic fiber, in particular, a polyester fiber in an extremely brilliant yellow or orange with fluorescence, a method for coloring, for example, a polystyrene resin or a polyacrylate resin in a brilliant yellow or orange, and a coloring material therefore. A method for dyeing a hydrophobic fiber and a method for coloring an organic macromolecular substance characterized by using a coumarin compound represented by the general formula: ##STR1## wherein R.sub.1 and R.sub.2 independently represent each a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; and a coloring material containing the coumarin compound are disclosed.

Find Patent Forward Citations

Murakami, Yasuo. (1995). Method for dyeing or coloring organic macromolecular substance by using (U.S. Patent No. 5387264). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5387264

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

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