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:
Jul. 23, 1991
Filed:
May. 24, 1989
Applicant:
Inventors:
Hitoshi Koshida, Nishinomiya, JP;
Tetsuo Sakagawa, Nishinomiya, JP;
Takayuki Nakayama, Amagasaki, JP;
Hiroshi Suwa, Kobe, JP;
Masao Imai, Yokohama, JP;
Akio Karasawa, Ohmuta, JP;
Assignee:
Mitsui Toatsu Chemicals, Incorporated, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; D06P / ;
U.S. Cl.
CPC ...
8653 ; 8638 ; 8642 ; 8649 ; 8650 ; 8696 ; 8918 ;
Abstract
Dyed denim cotton yarns capable of meeting the market demand for color jeans can be provided by immersing denim cotton yarns in a dye bath containing a dye or dye composition comprising a specific indirubin derivative(s), a specific quinophthalone derivative(s) and/or an indigo dye, squeezing and air-oxidizing the dyed yarns, and repeating a series of these steps.
Koshida, Hitoshi. (1991). Dye compositions for dyeing denim cotton yarn in a range of colors and (U.S. Patent No. 5034016). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5034016
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile