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. 12, 2012
Filed:
Jan. 16, 2007
Matthew P. Burdzy, South Windsor, CT (US);
Brian R. Einsla, Chalfont, PA (US);
Kevin J. Welch, Wallingford, CT (US);
Matthew P. Burdzy, South Windsor, CT (US);
Brian R. Einsla, Chalfont, PA (US);
Kevin J. Welch, Wallingford, CT (US);
Henkel Corporation, Rocky Hill, CT (US);
Abstract
A fuel cell, having improved sealing against leakage, includes a sealant disposed over the peripheral portions a membrane electrode assembly such that the cured sealant penetrates a gas diffusion layer of the membrane electrode assembly. The sealant is applied through liquid injection molding techniques to form cured sealant composition at the peripheral potions of the membrane electrode assembly. The sealant may be thermally cured at low temperatures, for example 130° C. or less, or may be cured at room temperature through the application of actinic radiation.