Henk P Blom

US Patent:

6869653, Mar 22, 2005

Filed:

Jan 8, 2001

Appl. No.:

09/756490

Inventors:

Michael T. K. Ling - Vernon Hills IL, US
William S. Hurst - Burlington WI, US
Lecon Woo - Libertyville IL, US
Algirdas Bindokas - Clarendon Hills IL, US
Patrick T. Ryan - Crystal Lake IL, US
Scott D. Edwards - Libertyville IL, US
Henk P. Blom - Mundelein IL, US
Atul R. Khare - Crystal Lake IL, US

Assignee:

Baxter International Inc. - Dearfield IL

International Classification:

C08L047/00

US Classification:

428 369, 4284761, 428516, 428519, 428521

Abstract:

The present invention provides a flowable material container closure assembly having a port tube and a membrane tube. The port tube (I) has a first layer and a second layer, (A) the first layer is a polymer blend and (B) the second layer is disposed coaxially within the first layer; and the membrane tube (II) is disposed coaxially within the port tube, the membrane tube has an outer layer, a core layer and an inner layer.

US Patent:

7550185, Jun 23, 2009

Filed:

Jan 24, 2005

Appl. No.:

11/042651

Inventors:

Michael T. K. Ling - Vernon Hills IL, US
William S. Hurst - Burlington WI, US
Lecon Woo - Libertyville IL, US
Algirdas Bindokas - Clarendon Hills IL, US
Patrick T. Ryan - Crystal Lake IL, US
Scott D. Edwards - Libertyville IL, US
Henk P. Blom - Mundelein IL, US
Atul R. Khare - Crystal Lake IL, US

Assignee:

Baxter International Inc. - Deerfield IL

International Classification:

F16L 11/04
F16L 9/14
A61M 5/00

US Classification:

428 3691, 428 357, 428 368, 138137, 138140, 604262

Abstract:

The present invention provides a flowable material container assembly having a membrane tube disposed coaxially within a port tube. The membrane tube has an outer layer, a core layer, and an inner layer. The outer layer is a blend of a polyolefin and a thermoplastic elastomer. The core layer is a blend of a polyolefin and a thermoplastic elastomer. The inner layer is a blend of a polyolefin, a radio frequency susceptible polymer, and a thermoplastic elastomer.

US Patent:

20050158499, Jul 21, 2005

Filed:

Mar 14, 2005

Appl. No.:

11/079767

Inventors:

Michael Ling - Vernon Hills IL, US
William Hurst - Burlington WI, US
Lecon Woo - Libertyville IL, US
Algirdas Bindokas - Clarendon Hills IL, US
Patrick Ryan - Crystal Lake IL, US
Scott Edwards - Libertyville IL, US
Henk Blom - Mundelein IL, US
Atul Khare - Crystal Lake IL, US

International Classification:

B32B001/08

US Classification:

428036910

Abstract:

The present invention provides a flowable material container closure assembly having a port tube and a membrane tube. The port tube (I) has a first layer and a second layer, (A) the first layer is a polymer blend of: (1) from about 25% to about 50% by weight of the first layer a first polyolefin selected from the group consisting of polypropylene and polypropylene copolymers, (2) from about 0 to about 50% by weight of the first layer a second polyolefin selected from the group consisting of ethylene copolymers, ultra-low density polyethylene, polybutene, and butene ethylene copolymers; (3) from about 0% to about 40% by weight of the first layer a radio frequency susceptible polymer selected from the group consisting of polyamides, ethylene acrylic acid copolymers, ethylene methacrylic acid copolymers, polyimides, polyurethanes, polyesters, polyureas, ethylene vinyl acetate copolymers with a vinyl acetate comonomer content from 12%-50% by weight of the copolymer, ethylene methyl acrylate copolymers with methyl acrylate comonomer content from 12%-40% by weight of the copolymer, ethylene vinyl alcohol with vinyl alcohol comonomer content from 12%-70% by mole percent of the copolymer; (4) from about 0% to about 40% of a first thermoplastic elastomer; and (B) the second layer is disposed coaxially within the first layer and is a second thermoplastic elastomer; and the (II) membrane tube is disposed coaxially within the port tube, the membrane tube has an outer layer, a core layer and an inner layer, the outer layer (A) is a polymer blend of: (1) from about 0% to about 60% by weight of the outer layer of a third polyolefin and (2) from about 40% to about 100% by weight of the outer layer of a second component of a third thermoplastic elastomer, the core layer (B) is attached to the outer layer, the core layer is a polymer blend of: (1) from about 35% to about 100% by weight of the core layer of a fourth thermoplastic elastomer and (2) from about 0% to about 65% by weight of the core layer of a fourth polyolefin; and (C) the inner layer is attached to the core layer on a side opposite of the outer layer, the inner layer is a polymer blend of: (1) from about 25% to about 55% by weight of the inner layer a fifth polyolefin, (2) from about 0 to about 50% by weight of the inner layer a sixth polyolefin selected from the group consisting of ethylene copolymers, ultra-low density polyethylene, polybutene, polybutadiene and butene ethylene copolymers; (3) from about 0% to about 60% by weight of the inner layer a radio frequency susceptible polymer selected from the group consisting of polyamides, ethylene acrylic acid copolymers, ethylene methacrylic acid copolymers, polyimides, polyurethanes, polyesters, polyureas, ethylene vinyl acetate copolymers with a vinyl acetate comonomer content from 12%-50% by weight of the copolymer, ethylene methyl acrylate copolymers with methyl acrylate comonomer content from 12%-40% by weight of the copolymer, ethylene vinyl alcohol with vinyl alcohol comonomer content from 12%-70% by mole percent of the copolymer; (4) from about 0% to about 40% by weight of the inner layer of a fifth thermoplastic elastomer.