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:
Oct. 07, 1986
Filed:
Apr. 12, 1984
Applicant:
Inventors:
Frith Loth, Tetlow, DD;
Horst Dautzenberg, Tetlow, DD;
Jiri Stamberg, Prague, CS;
Jan Peska, Prague, CS;
Dieter Bertram, Leipzig, DD;
Herbert Lettau, Leipzig, DD;
Assignees:
Ceskoslovenska akademie ved of Prague, Prague, CS;
Akademie der Wissenschaften der DDR, Berlin, DD;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08C / ; A61K / ; A61K / ; A61L / ;
U.S. Cl.
CPC ...
424 15 ; 424 35 ; 514781 ; 128156 ; 53425 ; 604304 ; 604374 ;
Abstract
An absorbing dressing for wounds consists of spherical particles of regenerated cellulose of the size 0.05-0.5 mm and a macroporous structure characterized by the cyclohexane regain of the dry material at least 0.2 ml/g. The dressing is prepared from the regenerated cellulose swollen with water by replacement with organic solvents and the subsequent drying of the product swollen with the said solvent and impregnated with a therapeutically active compound.