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:
Dec. 20, 2011
Filed:
Dec. 14, 2007
Stéphane Venon, Décines, FR;
Gilles Chanvillard, Les Cavetières, FR;
Isabelle Dubois-brugger, Chassieu, FR;
Christophe Levy, Saint Marcel bel Accueil, FR;
Vincent Teissier, La Tour du Pin, FR;
Stéphane Venon, Décines, FR;
Gilles Chanvillard, Les Cavetières, FR;
Isabelle Dubois-Brugger, Chassieu, FR;
Christophe Levy, Saint Marcel bel Accueil, FR;
Vincent Teissier, La Tour du Pin, FR;
Lafarge, Paris, FR;
Abstract
A demolding composition, to be used for the production of parts of hydraulic-setting material, includes at least one oil and at least one calcium salt, calcium borates and calcium salts of fatty acids being excluded from the at least one calcium salt. A process for the preparation of a part molded in hydraulic-setting material, includes coating sides of an appropriate mold with the demolding composition; introducing a freshly-prepared hydraulic-setting composition; and removing the part from the mold after hardening and optional curing of the composition.