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. 17, 2010
Filed:
Oct. 23, 2003
Applicants:
Myung-hwan Park, Seoul, KR;
Soo-chang Lee, Seoul, KR;
Sun-ae Kang, Anyang, KR;
Inventors:
Assignee:
Biopol Co., Ltd., Kyunggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A polyurethane foam dressing for a wound filler, which includes a hydrophilic polyurethane foam including a plurality of open cells with a diameter of 50 to 400 μm and a plurality of pores with a diameter of 10 to 80 μm, and a method of manufacturing the same including mixing and agitating 40 to 75 wt % pre-polymer, 15 to 45 wt % foaming agent, 5 to 35 wt % crosslinking agent, and 0.5 to 15 wt % additive containing a surfactant, a moisturizing agent, and a pigment, injecting the resulting mixture into a mold, and foaming the resulting mixture injected into the mold.