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. 16, 2003
Filed:
Mar. 14, 2002
Bernard R. Gerber, Santa Cruz, CA (US);
Jyotirmay Deb, Glendale, CA (US);
Other;
Abstract
A modular valve assembly provides an airtight, shockproof, leakproof and evaporation proof closure effective for sealing engagement with the neck or outlet of a flexible or reducible container. The modular valve assembly is effective in preventing: (1) leakage of fluids from the container due to vibration or changes in temperature or pressure; (2) any backflow or reentry of contaminants through the valve assembly, including air; and (3) evaporation of fluid from the container. If the fluid initially is sterile, the closure maintains the sterility of the remaining fluid in the container during and between dispensings of the fluid. Thus, the modular valve assembly extends the useful life of the fluid in the container to its shelf life. Although the user makes many dispensings from it, the container behaves as though she or he had never opened it. Thermostable fluids delivered through this modular valve assembly have no need for preservatives or refrigeration.