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 ...

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 ...

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 (110 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 ...

Richard C Cornelison, William A Whittenberger: Electrically heated catalytic converter. W R Grace & Co Conn, Edward J Cabic, December 11, 1990: US04976929 (96 worldwide citation)

There is provided an improved electrically heated accordion folded corrugated thin metal catalytic converter for hydrocarbon or alcohol fueled engine exhaust, particularly internal combustion engine exhaust, having a simplified construction and characterized in that the entire corrugated thin metal ...

Vincent W Herran: Multi-compartment package having improved partition strip. W R Grace & Co Conn, William D Lee Jr, Mark B Quatt, February 22, 1994: US05287961 (95 worldwide citation)

A multi-compartment flexible package is provided for filling with products which are to be stored separately from each other. A multi-compartment package made from flexible thermoplastic material heat sealed at the peripheral edges is provided. The compartments are formed by rupturable partition str ...

David C Darwin, Ellis M Gartner, Byong Wa Chun, Hideo Koyata, Lawrence L Kuo: Cement and cement composition having improved rheological properties. W R Grace & Co Conn, Howard J Troffkin, February 28, 1995: US05393343 (91 worldwide citation)

An improved hydraulic cement and resultant hydraulic cement composition having an imidized acrylic polymer uniformly distributed therein.

Drew V Speer, Charles R Morgan, William P Roberts, Andrew W VanPutte: Multilayer structure for a package for scavenging oxygen. W R Grace & Co Conn, Valerie E Looper, September 27, 1994: US05350622 (91 worldwide citation)

Products and film structures using the oxygen scavengers, are disclosed. Such products demonstrate enhanced shelf stability of foodstuffs and reduced sensitivity to humidity and temperature changes.

Thomas C Warren: Thermoplastic packaging film of low I.sub.10 /I.sub.2. W R Grace & Co Conn, John J Toney, William D Lee Jr, Jennifer L Skord, April 11, 1989: US04820557 (89 worldwide citation)

Disclosed is a high abuse-resistance film suitable for making bags and pouches. The film has at least one layer comprising a linear copolymer of ethylene and an alpha-olefin with a density of about 0.935 g/cc or less. The copolymer has a comparatively lower I.sub.10 /I.sub.2 ratio than the correspon ...

Thomas C Warren: Thermoplastic multi-layer packaging film and bags made therefrom. W R Grace & Co Conn, John J Toney, William D Lee Jr, Jennifer L Skord, June 6, 1989: US04837084 (87 worldwide citation)

Disclosed is a heat-shrinkable film suitable for making bags and pouches. The film has at least one layer comprising a copolymer of ethylene and an alphaolefin with six or more carbon atoms per molecule, said copolymer having a density of about 0.910 g/cc of less and a melt index of about 2 or less.

Allen C Williams Jr: Package having peelable film. W R Grace & Co Conn, William D Lee Jr, Mark B Quatt, Jennifer L Skord, December 26, 1989: US04889731 (85 worldwide citation)

A package for extended storage and in-store display of fresh red meat is disclosed. Preferably the package is made by a vacuum skin packaging process wherein the forming web is a composite peelable film having a peelable oxygen barrier layer and an oxygen permeable skin layer which remains to enclos ...