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:
Apr. 01, 2008
Filed:
May. 13, 2003
Ian Robert Maxwell, Berkshire, GB;
Paul Robert Dunwoody, Oxfordshire, GB;
Christopher Paul Ramsey, Oxfordshire, GB;
Ian Robert Maxwell, Berkshire, GB;
Paul Robert Dunwoody, Oxfordshire, GB;
Christopher Paul Ramsey, Oxfordshire, GB;
Abstract
This invention relates to a self-heating or self-cooling container (), which uses an exothermic or endothermic re-action to provide or remove heat from the contents of the container. The chemical reaction includes a fluid consistuent (either as a reagent or solvent), held in a reservoir (), which is added to another reagent in the reaction chamber () to initiate the reaction. The container () according to the invention proposes a means () to control the volume of this fluid constituent added to the reaction chamber () depending on the ambient temperature of the container.