Ray E Patrick

age ~67

from Pelzer, SC

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High Modulus Oxygen-Permeable Multilayer Film, Packaging Process Using Same, And Packaged Product Comprising Same
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US Patent:

6517950, Feb 11, 2003
Filed:

Aug 13, 1999
Appl. No.:

09/374323
Inventors:

Ray Ernest Patrick - Pelzer SC
Mendy Joyce Walden - Moore SC
Assignee:

Cryovac, Inc. - Duncan SC
International Classification:

B32B 2732
US Classification:

428516, 428517
Abstract:

A multilayer film has a first outer layer, an inner layer, and a second outer layer. The first outer layer comprises a homogeneous ethylene/alpha-olefin copolymer. The inner layer comprises a thermoplastic elastomer. The second outer layer comprises a second ethylene/alpha-olefin copolymer. The inner layer is between the first outer layer and the second outer layer, and is chemically different from the first outer layer and the second outer layer. The multilayer film has an O -transmission rate of from about 500 to 50,000 cc/m 24 hr STP, and a modulus of at least 60,000 psi. The multilayer film is especially useful for the packaging of O -sensitive products, such as produce. The high modulus of the film enhances its performance in form-fill-and-seal operations.

Produce Packaging Film
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US Patent:

53326164, Jul 26, 1994
Filed:

Oct 28, 1992
Appl. No.:

7/967924
Inventors:

Ray E. Patrick - Pelzer SC
Solomon Bekele - Taylors SC
Assignee:

W. R. Grace & Co. - Conn. - Duncan SC
International Classification:

B32B 2708
US Classification:

428218
Abstract:

A multilayer film suitable for packaging produce comprises a core layer comprising a blend of ethylene butyl acrylate copolymer and very low density polyethylene; and two outer layers comprising a blend of ethylene alpha olefin copolymer having a density of at least about 0. 916 grams per cubic centimeter, and ethylene vinyl acetate copolymer.

Multilayered, Bioriented, Heat Shrinkable Film, Method For The Manufacture Thereof And Use Thereof For Packaging Food Products And Consumer Goods
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US Patent:

61069345, Aug 22, 2000
Filed:

Aug 2, 1996
Appl. No.:

8/646366
Inventors:

Livio Buongiorno - Milan, IT
Ray E. Patrick - Pelzer SC
Luca Cerani - Milan, IT
Paolo Ciocca - Novara, IT
Roberto Forloni - Milan, IT
Assignee:

Cryovac, Inc. - Duncan SC
International Classification:

B32B 2732
US Classification:

428213
Abstract:

A multilayer, biaxially oriented, heat shrinkable thermoplastic film includes a layer having between 50 and 100 parts by weight ethylene/alpha-olefin C. sub. 4 -C. sub. 12 copolymer, and between 0 and 50 parts by weight of a polymer selected from polyolefin, and modified polyolefin, the layer having more than one melting point when detected by diffential scanning calorimetry according to ASTM D-3418; wherein the total thickness variation in the multilayer film is lower than. +-. 10%, and wherein the average deviation of the multilayer film from a straight line is lower than. +-. 40 mm, and wherein the sag average of the multilayer film is lower than 25 mm. A method of making the film, and a package made with the film, are also disclosed.

High Modulus Oxygen-Permeable Multilayer Film
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US Patent:

60601361, May 9, 2000
Filed:

Jul 7, 1997
Appl. No.:

8/889000
Inventors:

Ray Ernest Patrick - Pelzer SC
Mendy Joyce Walden - Moore SC
Assignee:

Cryovac, Inc. - Duncan SC
International Classification:

B32B 2516
B32B 2732
B65B 906
US Classification:

428 352
Abstract:

A multilayer film has a first outer layer, an inner layer, and a second outer layer. The first outer layer comprises a homogeneous ethylene/alpha-olefin copolymer. The inner layer comprises a thermoplastic elastomer. The second outer layer comprises a second ethylene/alpha-olefin copolymer. The inner layer is between the first outer layer and the second outer layer, and is chemically different from the first outer layer and the second outer layer. The multilayer film has an O. sub. 2 -transmission rate of from about 500 to 50,000 cc/m. sup. 2 24hr STP, and a modulus of at least 60,000 psi. The multilayer film is especially useful for the packaging of O. sub. 2 -sensitive products, such as produce. The high modulus of the film enhances its performance in form-fill-and-seal operations.

Method For The Manufacture Of Multilayer Film
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US Patent:

61972444, Mar 6, 2001
Filed:

Jun 12, 1998
Appl. No.:

9/096556
Inventors:

Livio Buongiorno - Milan, IT
Ray E. Patrick - Pelzer SC
Luca Cerani - Milan, IT
Paolo Ciocca - Lumellogno, IT
Roberto Forloni - Milan, IT
Assignee:

Cryovac, Inc. - Duncan SC
International Classification:

B29C 3510
US Classification:

264471
Abstract:

A method of making the a multilayer, biaxially oriented, heat shrinkable thermoplastic film includes a layer having between 50 and 100 parts by weight ethylene/alpha-olefin C. sub. 4 -C. sub. 12 copolymer, and between 0 and 50 parts by weight of a polymer selected from polyolefin, and modified polyolefin, the layer having more than one melting point when detected by diffential scanning calorimetry according to ASTM D-3418; wherein the total thickness variation in the multilayer film is lower than. +-. 10%.