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:
Jun. 04, 1996
Filed:
Sep. 07, 1994
Vincent DeLaforcade, Rambouillet, FR;
Pierre Lasserre, Coubron, FR;
L'Oreal, Paris, FR;
Abstract
Method and device for packaging and dispensing a fluid product (P) contained in a receptacle (2) which is pressurized with the aid of a propellant gas (G), the receptacle (2) including two compartments (3, 4) which are separated by a moving partition (5), a first compartment (3) containing the fluid product (P) and being in communication with a valve (6) for dispensing the product (P) and the second compartment (4) containing the propellant gas (G), by which in the second compartment (4) the propellant gas (G) is brought to a pressure P1 allowing the fluid product (P) to be dispensed by action on the dispensing valve (6), dispensing is carried out and the pressure in the second compartment (4) is lowered to atmospheric pressure, the pressure in the compartment (4) not being brought back up to a pressure allowing dispensing of the product (P) until just before the next dispensing act.