Fibers filter rods and other nonwoven articles made from poly(1,

Tobacco – Tobacco users' appliance – Supports

Patent

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Details

A24O 100, C08G 6318

Patent

active

041889606

ABSTRACT:
This invention concerns fibers of amorphous polyesters of terephthalic acid or an ester forming derivative thereof and from about 60 mole percent to 100 mole percent 1,2-propylene glycol and from 0 to about 40 mole percent ethylene glycol. These fibers are useful for the production of bonded coherent cigarette filters, nonwoven fabrics and the like.

REFERENCES:
patent: 2744089 (1956-05-01), Caldwell
patent: 3321437 (1967-05-01), Goodman et al.
patent: 3574789 (1971-04-01), Bungs et al.
patent: 3686361 (1972-08-01), Dewitt et al.
patent: 3814725 (1974-06-01), Zimmerman et al.

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