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:
Dec. 04, 1990
Filed:
Jun. 22, 1988
Applicant:
Inventors:
Akihiro Kondo, Muko, JP;
Ikunoshin Kato, Uji, JP;
Akira Obayashi, Uji, JP;
Sumihiro Hase, Ashiya, JP;
Assignee:
Takara Shuzo Co., Ltd., Kyoto, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H / ; C07H / ; C07H / ;
U.S. Cl.
CPC ...
536 553 ; 536-11 ; 536124 ; 436546 ;
Abstract
A method for the fluorescent labelling of a sugar or a sugar chain by labelling the reducing end of the sugar or sugar chain with a fluorescent substance, wherein the improvement comprises first forming a Schiff base by reacting the surgar or sugar chain with the fluorescent substance in the presence of an acid which is substantially free from water, and second, reducing said Schiff base.