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:
Mar. 02, 1999
Filed:
Jun. 27, 1994
Alain Meybeck, Courbevoie, FR;
Frederic Bonte, Courbevoie, FR;
LVMH Recherche, Nanterre, FR;
Abstract
The present invention relates to solid complex particles, each comprised of at least two solid substances, at least one of them being biologically active. The biologically active solid substance is comprised of at least one biologically active product and is evenly distributed at the surface of a grain consisting of the other solid core-forming substance, so-called support substance, said grain having a size comprised between 0.05 and 100 .mu.m (microns) and the weight ratio between said active substance and said core-forming substance being comprised between 10.sup.-4 and 1.5 approximately. The invention also relates to a method for the preparation of said particles, a process for the treatment of a biological surface in order to accelerate the biodisponibility of a biologically active substance. It also relates to compositions for topical application containing the particles of the invention.