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. 29, 1990
Filed:
May. 10, 1989
Applicant:
Inventors:
Assignee:
Takeda Chemical Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ; D06L / ;
U.S. Cl.
CPC ...
252105 ; 252117 ; 252121 ; 252 96 ; 252399 ; 134 42 ; 134-2 ; 424663 ;
Abstract
The bath preparation of the present invention comprises an ascorbic acid compound and at least one reducing agent selected from the group consisting of water-soluble thiosulfate, water-soluble dithionite, L-cysteine hydrochloride, glutathione and gallic acid ester.
Morita, Yasuhiko. (1990). Bath preparation (U.S. Patent No. 4929378). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4929378
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile