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:
Nov. 20, 2001
Filed:
Nov. 01, 1999
Pascal E. Delrieu, Castanet Tolosan, FR;
Li Ding, Castanet Tolosan, FR;
Kobo Products, Inc., South Plainfield, NJ (US);
Abstract
Crushable gel beads,formed of an agar complex provide novel cosmetic, pharmaceutical, etc. delivery vehicles for topical delivery of biologically or cosmetically active agents. Preferred agar beads,are complexes of a continuous phase of agar gel,in a self-supporting solid or semi-solid form with a restraining polymer,Entrapped in and dispersed randomly throughout each agar bead,is a water-soluble, preferably polar, restraining polymer,preferably a quaternized cationic polymer, such as polyquaternium 24 or steardimonium hydroxyethylcellulose. Various active agents,may be bound to restraining polymer,for example ascorbic acid, lactic acid or papain. Methods of manufacture are also described.