The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 18, 1994

Filed:

May. 14, 1992
Applicant:
Inventors:

Lecon Woo, Libertyville, IL (US);

Y Wilson Cheung, Belchertown, MA (US);

Jerry D Bartos, Murietta, CA (US);

Michael T Ling, Vernon Hills, IL (US);

Indrajit T Patel, Algonquin, IL (US);

Ying-Cheng Lo, Green Oaks, IL (US);

Assignee:

Baxter International, Inc., Deerfield, IL (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D02G / ;
U.S. Cl.
CPC ...
428376 ; 428375 ; 428398 ; 428407 ; 428383 ; 423 70 ; 423222 ; 423392 ; 525 28 ; 525 57 ; 525 60 ; 525 92 ; 156294 ;
Abstract

The present invention provides an improved coextruded medical grade port tubing. The medical grade port tubing provides characteristics that are desirable in the medical industry and therefore can be used as a medical port tubing in, for example, renal therapy or blood donor tubes. To this end, the present invention provides a non-PVC coextruded medical grade port tubing including: an outer layer comprising a blend of polypropylene copolymer and styrene-ethylene-butylene-styrene copolymer; a tie layer; and a core layer including a blend of polyamide and ethylene vinyl acetate.


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