1
Bowen William Edmund: Method of forming a line of weakness in a multilayer laminate. American Can Company, Auber Robert P, Audet Paul R, Ziehmer George P, February 5, 1974: US3790744 (189 worldwide citation)

A method of forming a line of weakness in at least one but not all layers of multilayer laminate which comprises effecting relative movement between a beam of radiant energy of a particular predetermined wavelength and intensity and the laminate so that the energy is selectively relatively absorbed ...


2
Harker Royce Kenneth, Prickett Warren Wilson, Roesch Kurt Fritz: One-way valve insert for collapsible dispensing containers. American Can Company, June 13, 1972: US3669323 (162 worldwide citation)

A collapsible dispensing container tube having a thermoplastic headpiece united to a tubular body with a one-way valve insert positioned in the upper part of the tube to perform an anti-suck-back function by blocking the flow of air into the tubular body when manual pressure on the tubular body is r ...


3
George O Schroeder: Multi-layer barrier film. American Can Company, Robert P Auber, Stuart S Bowie, James W Bock, March 3, 1981: US04254169 (156 worldwide citation)

A delamination resistant multi-layer film comprises a core layer of vinyl alcohol polymers or copolymers such as polyvinyl alcohol or ethylene vinyl alcohol. Adhered to the core layer are one or more layers of a polyolefin blended with a chemically modified polyolefin having functional groups added ...


4
Ronald C Christensen, Roger P Genske, Dennis E Kester, William F Ossian: Retortable packaging structure. American Can Company, Stuart S Bowie, Thomas D Wilhelm, September 20, 1983: US04405667 (122 worldwide citation)

A retortable pouch is made without the use of metal foil. The improved heat sealable structure has an inner heat seal layer of linear low density polyethylene. The second, or adjacent layer is a blend of 20% to 80% linear low density polyethylene and 80% to 20% propylene ethylene copolymer. Optional ...


5
Galyn A Schulz: Multi-ply fibrous sheet structure and its manufacture. American Can Company, Robert P Auber, George P Ziehmer, Harry W Hargis III, March 16, 1982: US04320162 (121 worldwide citation)

In the manufacture of a multi-ply fibrous sheet structure, each of a pair of plies of fibrous web material is provided with a pattern of relatively deep, primary, spot embossments each adherent to the opposite ply and surrounded by a pattern of relatively shallow, secondary, non-adherent spot emboss ...


6
Bowen William Edmund: Method of forming a line of weakness in a multilayer laminate. American Can Company, Auber Robert P, Audet Paul R, Ziehmer George P, September 30, 1975: US3909582 (119 worldwide citation)

A method of forming a line of weakness in at least one but not all layers of multilayer laminate which comprises effecting relative movement between a beam of radiant energy of a particular predetermined wavelength and intensity and the laminate so that the energy is selectively relatively absorbed ...


7
Christopher J Farrell, Boh C Tsai, James A Wachtel: Drying agent in multi-layer polymeric structure. American Can Company, Paul R Audet, Stanley L Amberg, October 4, 1983: US04407897 (115 worldwide citation)

In a multi-layer polymeric structure having an interior oxygen barrier layer of a moisture sensitive polymeric material such as ethylene-vinyl alcohol, drying agents are incorporated in the structure, particularly in a layer or layers proximate to the barrier layer, to limit the moisture content of ...


8
David L Newsome: Polymeric and film structure for use in shrink bags. American Can Company, Stuart S Bowie, Thomas D Wilhelm, July 3, 1984: US04457960 (108 worldwide citation)

Linear low density polyethylene is used in multiple layer, molecularly oriented films. Novel blends of linear low density polyethylene with ethylene vinyl acetate copolymer are disclosed, and used in molecularly oriented multiple layer films. Bags made from the multiple layer films are especially us ...


9
Dokoupil Jan A, Greil Kenneth George, Mueller David Charles: Easy-open thermoplastic container package. American Can Company, November 20, 1973: US3773207 (108 worldwide citation)

A thermoplastic container package wherein both the container and its lid have horizontal rims and descending flanges. The lid rim has a peripheral score line along its undersurface and the flanges are sealed along their length except adjacent a lid tab utilizable for lifting and thereby severing the ...


10
Christopher J Farrell, Boh C Tsai: Oxygen scavenger. American Can Company, Paul R Audet, Douglas W Wyatt, August 20, 1985: US04536409 (106 worldwide citation)

This disclosure includes an activatable oxygen scavenger used as a part of a packaging structure for comestibles.