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:
Apr. 06, 1999
Filed:
Apr. 17, 1998
Applicant:
Inventors:
Marie A Rinaldi, St. Petersburg, FL (US);
Subhash J Saxena, Belmont, CA (US);
Paul C Tutschek, Largo, FL (US);
Assignees:
Advanced Polymer Systems, Inc., Redwood City, CA (US);
R.P. Scherer Corporation, Troy, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
424451 ; 424452 ; 424455 ; 424456 ; 424457 ; 424458 ; 424462 ; 42721335 ; 514963 ; 514965 ;
Abstract
A softgel formulation containing retinol comprises a soft gelatin shell and a fill material within that shell containing retinol-impregnated microparticles. The fill material may be an optionally thickened silicone oil, or may be an emulsion comprising a silicone oil. Ascorbic acid may be present as ascorbic acid-impregnated microparticles and/or within the emulsion.