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:
Aug. 22, 2006
Filed:
May. 31, 2001
Applicants:
Mitsuji Akazawa, Ohkawa-gun, JP;
Katsuyuki Inoo, Itano-gun, JP;
Masahiro Yamaji, Ohkawa-gun, JP;
Inventors:
Assignee:
Teikoku Seiyaki Co., Ltd., Kagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 13/00 (2006.01); A61L 15/16 (2006.01); A61K 9/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
It is provided the plaster of anti-inflammatory and analgesic, improving the sustained releasing of 4-biphenylacetic acid from the base adhesive material and low skin irritation, by using more than two kinds of resolvent for 4-biphenylacetic acid having low solubility in solvents. More specifically, it is provided plasters essentially containing 5–50% by weight of styrene-isoprene-styrene block copolymer, 0.05–20% by weight of N-methyl-2-pyrrolidone, 0.1–20% by weight of polyethylene glycol and 0.1–20% by weight of 4-biphenylacetic acid.