1
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 ...


2
William P Roberts, Michael Esakov: Method of linking a food source with a food product. Cryovac, Daniel B Ruble, February 22, 2005: US06859672 (100 worldwide citation)

A method of linking source units of food with product items that include at least a portion of one or more of the source units of food, where a conversion process produces a plurality of product items from a plurality of source units (e.g., at a meat processing plant). A conversion algorithm is crea ...


3
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 (88 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.


4
William P Roberts, Leslie A Schulz: Method of forming electrically conductive polymer blends. W R Grace & Co, Richard P Plunkett, William W McDowell Jr, August 5, 1986: US04604427 (83 worldwide citation)

This invention relates to a chemical method of forming an electrically conductive polymer blend which comprises impregnating a non-porous, swellable or soluble host polymer with:


5
Drew V Speer, William P Roberts, Charles R Morgan, Cynthia L Ebner: Packaging articles suitable for scavenging oxygen. W R Grace & Co Conn, Howard J Troffkin, December 23, 1997: US05700554 (76 worldwide citation)

An article useful for packaging oxygen-sensitive products is disclosed. The article is a single or multi-layer article capable of enveloping the oxygen sensitive product. The article has at least one layer which contains a composition composed of an ethylenically unsaturated hydrocarbon polymer and ...


6
Drew V Speer, William P Roberts, Charles R Morgan, Cynthia L Ebner: Compositions, articles & methods for scavenging oxygen. W R Grace & Co Conn, Valerie E Looper, September 13, 1994: US05346644 (71 worldwide citation)

A composition for scavenging oxygen is disclosed. The composition comprises an ethylenically unsaturated hydrocarbon and a transition metal catalyst and can be incorporated into various types of layers. It is preferable that the composition be incorporated into layers of multilayered articles used f ...


7
Drew V Speer, Charles R Morgan, William P Roberts, Ram K Ramesh: Compositions, articles and methods for scavenging oxygen which have improved physical properties. W R Grace & Co Conn, Valerie E Looper, March 21, 1995: US05399289 (65 worldwide citation)

A composition for scavenging oxygen is disclosed. The composition comprises an ethylenically unsaturated hydrocarbon polymer which has 0.01-1.0 equivalents of carbon-carbon double bonds per 100 g of polymer and a transition metal catalyst and can be incorporated into various types of layers. The com ...


8
Drew Ve Speer, William P Roberts: Oxygen scavenging compositions for low temperature use. W R Grace & Co Conn, Valerie E Looper, May 10, 1994: US05310497 (63 worldwide citation)

Improved compositions for scavenging oxygen are disclosed. These materials, characterized by low degree crystallinity and a glass transition temperature of <-10.degree. C., have high oxygen scavenging rates at low temperatures. The composition comprises an ethylenically unsaturated hydrocarbon and a ...


9
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, June 25, 1996: US05529833 (56 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.


10
Drew V Speer, William P Roberts, Charles R Morgan: Methods and compositions for oxygen scavenging by a rigid semi-rigid article. W R Grace & Co Conn, Valerie E Looper, March 12, 1996: US05498364 (46 worldwide citation)

A method of initiating oxygen scavenging by rigid or semi-rigid articles 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 ...



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