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. 22, 2002
Filed:
Aug. 03, 2000
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/06 ; A61K 3/578 ; A61K 7/48 ;
U.S. Cl.
CPC ...
A61K 9/06 ; A61K 3/578 ; A61K 7/48 ;
Abstract
The invention discloses an extract containing puccoon and Chinese angelica, and a formula and preparation method of an ointment containing the extract. The extract is used for treating burns and scalds and is characterized by superior shelf-life. The puccoon and Chinese angelica are extracted with an organic solvent having a polarity of between 0.35 and 0.95, which are then filtrated, concentrated and mixed with a physiologically acceptable carrier or excipient.