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:
Oct. 10, 1995
Filed:
Aug. 10, 1994
G Robert Hartranft, Lancaster, PA (US);
Ronald S Lenox, Lancaster, PA (US);
Dean L Putt, Lititz, PA (US);
Joseph F Remar, Lancaster, PA (US);
Donald M Snyder, Ypsilanti, MI (US);
Armstrong World Industries, Inc., Lancaster, PA (US);
Abstract
Thermal insulation is prepared using gelatin foam. Embodiments of gelatin foam insulation which are described include gelatin foam having an anti-wicking agent which is an aromatic compound having as ring substituents: an --NH.sub.2 moiety and/or a hydroxyl moiety and also at least two sulfonate moieties. In another embodiment, the gelatin foam is combined with phyllosilicate mineral lamellae for void control and as a shrinkage deterrent. In yet another embodiment, crosslinked gelatin foam is described which has been crosslinked with a melamine/formaldehyde condensation product, a polyfunctional aziridine and/or an epichlorohydrin/polyamide condensation product.