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:
Jul. 06, 1993
Filed:
Sep. 30, 1991
Applicant:
Inventors:
Garry R Hodges, Merseyside, GB;
David L McCann, Merseyside, GB;
Assignee:
E. R. Squibb & Sons, Inc., Princeton, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424480 ; 424486 ; 424461 ; 424462 ; 424494 ; 424497 ;
Abstract
An enteric coated pharmaceutical composition is provided which includes a medicament which is sensitive to a low pH environment of less than 3, such as pravastatin, which composition is preferably in the form of pellets which includes an enteric coating formed of neutralized hydroxypropylmethyl cellulose phthalate, plasticizer and anti-adherent. The so-coated pellets have good resistance to deterioration at pH less than 3 but have good drug release properties at greater than 3.