1
Brax Harri J, Porinchak Joseph F, Weinberg Alan S: Laminates of ethylene vinyl acetate polymers and polymers of vinylidene chloride. W R Grace & Co, June 26, 1973: US3741253 (211 worldwide citation)

A multiply laminate useful as a packaging film having a first layer of a cross linked ethylene vinyl acetate polymer, a directly joined middle layer of a polymer of vinylidene chloride and a third layer directly joined to the middle layer of an ethylene/vinyl acetate polymer. Especially preferred fo ...


2
Howe Milton A, Dexter Everett H, Thompson Eugene D: Method of film sheet dispensing and wrapping. W R Grace & Co, Toney John J, Lee William D, February 26, 1974: US3793799 (211 worldwide citation)

This invention is a method and apparatus for dispensing film sheets which are used for wrapping hamburgers, sandwiches, or other products which must be hand wrapped quickly. The film sheets are stacked and stapled at at least one corner with cooperating slits cut in the film near the staple. The she ...


3
Norman D Bornstein, Donald J D Entremont, Alan S Weinberg, Henry G Schirmer, Joseph Zu Sun: Heat shrinkable multi-layer film of hydrolyzed ethylene vinyl acetate and a cross-linked olefin polymer. W R Grace & Co, John J Toney, William D Lee Jr, John B Hardaway, December 20, 1977: US04064296 (152 worldwide citation)

A heat shrinkable multi-layer packaging film having a layer of a hydrolyzed ethylene-vinyl acetate copolymer. Preferably, the film is formed by coextruding the hydrolyzed ethylene-vinyl acetate copolymer layer between two other polymeric layers, at least one of which is cross-linkable, and thereafte ...


4
Robert Matthews Murch: Fire-resistant intumescent laminates. W R Grace & Co, Giedre M McCandless, January 20, 1976: US03934066 (151 worldwide citation)

A fire-retardant, intumescent laminate system suitable for application to combustible or heat-sensitive substrates comprises an intumescent layer which is a porous sheet material, e.g., paper or foams saturated with an intumescent composition and having a flexible protective layer adhered to the int ...


5
Walter B Mueller, Henry G Schirmer, Julian H Schoenberg, Alan S Weinberg: Multi-layer polyester/polyolefin shrink film. W R Grace & Co, John J Toney, William D Lee Jr, Joseph P Harps, June 23, 1981: US04274900 (148 worldwide citation)

The multi-layer polyester/polyolefin shrink film of this invention provides a combination of shrink tension, hot seal strength, sealability, and shrink temperature range heretofore unobtainable in an oriented, monolayer polyolefin material. The preferred film has five layers in which the middle laye ...


6
Francesco Martini, Luigi Perazzo, Paolo Vietto: Manufacture of polymeric products. W R Grace & Co Conn, John J Toney, William D Lee Jr, Jennifer L Skord, November 14, 1989: US04880592 (147 worldwide citation)

HB polymers, such as copolymers of hydroxy butyric acid and hydroxy valeric acid, are provided as melt extruded films having a thickness of 5 to 200 .mu.m. Sheet materials may consist of such a film or the film may be laminated with other films to increase strength or impermeability. The films are b ...


7
David E W Vaughan, Roger J Lussier, John S Magee Jr: Pillared interlayered clay materials useful as catalysts and sorbents. W R Grace & Co, Arthur P Savage, November 27, 1979: US04176090 (146 worldwide citation)

Stable pillared interlayered clay compositions are prepared by reacting smectite type clays with polymeric cationic hydroxy metal complexes of metals such as aluminum, zirconium, and/or titanium. These novel interlayered clay compositions which possess substantial surface area in pores of less than ...


8
Drew V Speer, William P Roberts, Charles R Morgan: Methods and compositions for oxygen scavenging. W R Grace & Co Conn, Valerie E Looper, May 18, 1993: US05211875 (137 worldwide citation)

A method of initiating oxygen scavenging by compositions which comprise oxidizable organic compounds and transition metal catalysts is disclosed. The method comprises initiating scavenging by exposing the composition, etc., to radiation. The radiation exposure is preferably electron beam or ultravio ...


9
Louis L Wood, Kurt C Frisch: Crosslinked hydrophilic foams and method. W R Grace & Co, Richard P Plunkett, Philip M Pippenger, January 30, 1979: US04137200 (116 worldwide citation)

The invention disclosed is for new improved hydrophilic crosslinked polyurethane foams prepared by reacting a blend of a monomeric polyol and polyoxyalkylene glycol (the --OH groups of said blend being capped with a polyisocyanate) with large amounts of an aqueous reactant. The resultant foams may b ...


10
William F Bowers, Scott P Fulton, Judith A Thompson, David M Donofrio, Kert F Ivie: Microfiltration apparatus with radially spaced nozzles. W R Grace & Co Conn, Chester Cekala, William L Baker, April 28, 1992: US05108704 (111 worldwide citation)

The present invention relates to a multiwell apparatus for biological and biochemical analysis which provides for separate collection of filtrate from each well, without cross-contamination therebetween. The present invention provides a manifold plate having an array of filtering wells, each of the ...