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Genpak Corporation Patents
Assignee:
Genpak Corporation
Address:
Glen Falls, NY
No. of patents:
18
Patents:












Patent Number Title Of Patent Date Issued
RE38993 Process for producing alkenyl aromatic foams using a combination of atmospheric and organic gase February 28, 2006
There is disclosed a process for producing alkenyl aromatic foams utilizing a combination of atmospheric and organic gases as blowing agent, preferably using greater than 30% by weight of atmospheric gas, and preferably also using a predetermined about of a masterbatch mix comprising
D380648 Food dish July 8, 1997
D346528 Muffin pan May 3, 1994
D335798 Plate May 25, 1993
D263798 Food container April 13, 1982
D254776 Food container April 22, 1980
5817261 Process for producing alkenyl aromatic foams using a combination of atmospheric and organic gase October 6, 1998
There is disclosed a process for producing alkenyl aromatic foams utilizing a combination of atmospheric and organic gases as blowing agent, preferably using greater than 30% by weight of atmospheric gas, and preferably also using a predetermined about of a masterbatch mix comprising
5762231 Compartmentalized container June 9, 1998
A tabless container closure for a compartmentalized container with a cover and a base. The cover includes a sidewall and a rim coupled thereto. The rim has a depression that fits within an opening in a sidewall of the base. The rim depression and opening provide a snap-fit closure to
5758794 Tabless container closure June 2, 1998
A container closure for a container with a cover and a base. The cover includes a sidewall and a rim coupled to the sidewall. The rim includes a depression that takes the place of a male closure component. The base includes a sidewall and an opening in the sidewall for receiving the rim
5681865 Method for producing polyester foam October 28, 1997
Low density PET foam is extruded by heating PET resin above the crystalline melt point to melt the resin, combining Heptane as the blowing agent with the PET resin to create a mixture, cooling the mixture to a temperature of less than 538.degree. K., and extruding the foam through a die.
5679295 Method for producing polyester foam using a blowing agent combination October 21, 1997
Low density PET foam is extruded by heating PET resin above the crystalline melt point to melt the resin, selecting a blowing agent combination, combining the blowing agent combination with the PET resin to create a mixture, cooling the mixture to a temperature of less than 538.degree. K
5652277 Process for producing alkenyl aromatic foams using a combination of atmospheric and organic gase July 29, 1997
There is disclosed a process for producing alkenyl aromatic foams utilizing a combination of atmospheric and organic gases as blowing agent, preferably using greater than 30% by weight of atmospheric gas, and preferably also using a predetermined about of a masterbatch mix comprising
5413239 Unitary hinge for a container May 9, 1995
A hinge made of a unitary structure which has two main projecting members and a space therebetween. The hinge is able to flex and has little biasing toward the open or closed positions.
5403865 Process for producing polystyrene foam April 4, 1995
The present invention relates to a process to produce polystyrene foam comprising mixing a predetermined amount of masterbatch mix and a styrenic polymer, heating this mixture, injecting CO.sub.2 and/or nitrogen, in gas or liquid form, as a blowing agent and subsequently extruding, cooli
5342857 Process for producing polystyrene foam August 30, 1994
The present invention relates to a process to produce polystyrene foam comprising mixing a predetermined amount of masterbatch mix and a styrenic polymer, heating this mixture, injecting CO.sub.2 and/or nitrogen, in gas or liquid form, as a blowing agent and subsequently extruding, cooli
4446986 Fluid tight container and closure assembly May 8, 1984
A plastic fluid tight container and closure assembly comprising a plastic container having a base, a sidewall extending upwardly from the base terminating in a rim defining an opening for the container, said sidewall defining on its inside a sloping abutment surface extending inwardly an
4385711 Child resistant closure assembly May 31, 1983
An improved plastic container and closure comprising an open end container having a bottom and side wall extending upwardly therefrom; a cylindrical collar connected to the side wall through an annular transverse wall, the collar and annular transverse wall having at least one vertical s
4383954 Forming and delivering stackable articles May 17, 1983
Method and apparatus for continuously forming articles and stacking them ready for formation of batches from the stack. Some of the articles are treated by being given a disfigurement which makes them identifiable in the stack so that batch lengths containing predetermined numbers of

 
 
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