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. 16, 1994
Filed:
Feb. 17, 1993
Applicant:
Inventors:
Frank Kochinke, Fremont, CA (US);
Richard W Baker, Fremont, CA (US);
Assignee:
Pharmetrix Corporation, Menlo Park, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
424449 ; 424448 ;
Abstract
This patent relates a method for increasing the storage stability of physostigmine free base and physostigmine analogs by incorporating the free base into a polymer matrix. Chemically compatible enhancers and adjuvants do not interfere with the stabilization of the free bases.