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. 30, 2003
Filed:
May. 08, 2000
Applicant:
Inventor:
Fumio Kamiyama, Kyoto, JP;
Assignee:
Strakan Limited, , BM;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 1/300 ; C08L 3/224 ; C08L 3/300 ; C08F / ; C09J / ;
U.S. Cl.
CPC ...
A61F 1/300 ; C08L 3/224 ; C08L 3/300 ; C08F / ; C09J / ;
Abstract
Cross-linked block copolymers are disclosed which have drug retention properties, comprising hard and soft segments, with cross-linking between the soft segments. The block copolymers can be based upon (meth)acrylic monomers, and some possess adhesive properties.