1
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 (144 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 ...


2
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 (132 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 ...


3
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 (109 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 ...


4
Richard C Cornelison, William A Whittenberger: Electrically heated catalytic converter. W R Grace & Co Conn, Edward J Cabic, December 11, 1990: US04976929 (95 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 ...


5
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 (90 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 ...


6
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 (88 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 ...


7
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 (86 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.


8
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 (86 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.


9
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 (84 worldwide citation)

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


10
Walter B Mueller: Stretch/shrink film with improved oxygen transmission. W R Grace & Co Conn, John J Toney, William D Lee Jr, Mark B Quatt, August 28, 1990: US04952451 (83 worldwide citation)

A multi-layered thermoplastic polyolefin film having an improved combination of physical characteristics is disclosed. In particular, the multi-layered film evidences an improved combination of elongation, oxygen transmission and heat shrinkability. Preferred five layer embodiments of the film compr ...



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