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. 21, 1998
Filed:
Apr. 26, 1996
Applicant:
Inventors:
Tomas Malson, Uppsala, SE;
Bengt Lindqvist, Uppsala, SE;
Assignee:
Biomatrix, Inc., Ridgefield, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H / ;
U.S. Cl.
CPC ...
536 551 ; 536 553 ;
Abstract
The present invention relates to a crosslinked hyaluronic acid derivative in which the crosslinking has been achieved by means of reaction with a phosphorus-containing reagent, especially a derivative of an acid of phosphorus (V). The invention also relates to the methods of producing such a product as well as its use as a slow release depot for administration of hylaluronic acid or a medicament incorporated in the gel.