Marcel E Nimni, David T Cheung: Coating for bioprosthetic device and method of making same. Fulwider Patton Rieber Lee & Utecht, March 29, 1983: US04378224 (135 worldwide citation)

A coating and integral treatment for improving the biophysical stability of bioprosthetic devices after implantation, particularly with respect to calcification, and, specifically, a method for treating animal tissues, such as heart valves, to provide improved biophysical stability in allograft and ...

Hudec Gustav, Keil Karl Heinz Dr, Kohler Volker, Rosenbusch Kurt Dr: Process for conditioning and hydrophobing of leather.. Cassella Farbwerke Mainkur, July 11, 1979: EP0002773-A2 (111 worldwide citation)

Die Avivage- und Hydrophobiermittel für Textilmaterialien und für Leder bestehen aus 10 bis 35 Gew.% einer Verbindung der allgemeinen Formel I R-NH-CO-NHn(CH2OH)m (I) worin R lineares oder verzweigtes Alkyl oder Alkenyl mit 14-22 C-Atomen, m eine Zahl von 1,0 bis 1,5 bedeutet und n = 2-m ist; b Gew. ...

Robert J Levy, Amnon Sintov: Calcification-resistant materials and methods of making same through use of multivalent cations. University of Michigan The Board of Regents, Rohm & Monsanto, November 29, 1994: US05368608 (93 worldwide citation)

Bioprosthetic materials, either natural or synthetic, are treated with trivalent aluminum or iron cations, or salts, to prevent in vivo calcification. Such bioprosthetic materials include porcine aortic valve leaflets, bovine pericardium, aortic homografts, biocompatible elastomers, and the like whi ...

Alexander Berg, Zdenek Eckmayer: Method for making collagen sponge for medical and cosmetic uses. Firma Carl Freudenberg, Sprung Felfe Horn Lynch & Kramer, March 16, 1982: US04320201 (84 worldwide citation)

A process for producing collagen sponge which is insoluble but highly swellable in water, the sponge having a velour-like surface and being particularly suited for medical and cosmetic applications.

Israel Schechter: Transplants. Browdy and Neimark, October 17, 1978: US04120649 (81 worldwide citation)

Transplants, particularly from pigskin, from humans, and amniotic membranes of newborns are prepared from the appropriate tissue -- which tissue is treated with the compound glutaraldehyde (GA).

Maynard H Olson, John C Chang, Imelda A Muggli: Process for providing polyamide materials with stain resistance with sulfonated novolak resin and polymethacrylic acd. Minnesota Mining and Manufacturing Company, D M Sell, W N Truesdale C Kirn, April 18, 1989: US04822373 (79 worldwide citation)

A treated fibrous polyamide substrate having resistance to staining by acid colorants is provided. The treated substrate comprises a fibrous polyamide substrate having applied thereto (a) a partially sulfonated novolak resin and (b) polymethacrylic acid, copolymers of methacrylic acid, or combinatio ...


John C Chang, Maynard H Olson, Imelda A Muggli: Process for providing polyamide materials with stain resistance. Minnesota Mining and Manufacturing Company, Donald M Sell, Walter N Kirn, Carole Truesdale, June 26, 1990: US04937123 (69 worldwide citation)

A method for imparting to fibrous polyamide materials stain resistance to acid colorants is provided. The method comprises contacting the fibrous polyamide materials with an aqueous treating solution comprising polymethacrylic acid, copolymers of methacrylic acid, or combinations thereof, and drying ...

Frederick W Holzhauer, Dana J Johnson, Terry McAninch: Hide raceway treatment and improved method of curing hides. Birko Corporation, July 25, 1995: US05435808 (68 worldwide citation)

A process for the curing of animal hides using a brine solution including the step of adding an effective bactericidal and flocculating amount of a composition comprising:

Frank Krause, Helmut Klimmek: Graft copolymers of unsaturated monomers and sugars, a process for the production and the use thereof. Chemische Fabrik Stockhausen, Evenson McKeown Edwards & Lenahan P L L C, December 3, 1996: US05580941 (62 worldwide citation)

The present invention relates to water-soluble, acid-groups-containing graft copolymers which are at least partially biodegradable and are based on sugars and monoethylenically unsaturated carboxylic acids, sulfonic acids and/or phosphonic acids or the salts of said acids as well as optional further ...