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:
Mar. 21, 1989
Filed:
Feb. 25, 1988
Applicant:
Inventors:
Assignee:
Pharmacia AB, Upsala, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08B / ; C08B / ; C08B / ;
U.S. Cl.
CPC ...
536 187 ; 536 551 ; 536 553 ; 536 59 ; 536 61 ; 536102 ; 536107 ; 536109 ; 536112 ; 536115 ; 536118 ;
Abstract
A new method for preparation of sulfated polysaccharides by means of pyridine-chlorosulfonic acid reagents. The polysaccharide is before sulfation treated with a reducing agent, e.g. sodium borohydride.
de Belder, Anthony. (1989). Method for preparation of sulfated polysaccharides by treating the (U.S. Patent No. 4814437). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4814437
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile