Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion
Patent
1989-01-26
1993-02-02
Tentoni, Leo B.
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Shaping by extrusion
264205, 264211, D01F 670
Patent
active
051836149
ABSTRACT:
An X-ray detectable spandex fiber and a method for producing it from a segmented polyurethane polymer comprising finely divided X-ray detectable material such as barium sulfate.
REFERENCES:
patent: 3388200 (1968-06-01), Jackson et al.
patent: 3536668 (1970-10-01), Wieder et al.
patent: 3708453 (1973-01-01), Thoma et al.
patent: 4525420 (1985-06-01), Imai et al.
E. I. Du Pont de Nemours and Company
Tentoni Leo B.
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