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. 14, 2000
Filed:
Apr. 16, 1998
Applicant:
Inventors:
Bruno D'Herbecourt, Bernay, FR;
Yves Lermat, Bernay, FR;
Michael Werth, Bernay, FR;
Olivier Julien, Ste Foy-les-Lyons, FR;
Assignee:
Elf Atochem S.A., Puteaux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428404 ; 428407 ;
Abstract
The invention relates to porous silicas in which the pores are at least partially filled with polyamide resins. They can be employed as additives to liquid paints, as carriers for pigments and/or dyes, as antiblocking agents for folded or wound films made of olefinic material and in cosmetic, pharmaceutical and/or dermatological compositions.