Non-toxic polyester compositions made with organotin esterificat

Details Non-toxic polyester compositions made with organotin esterificat Non-toxic polyester compositions made with organotin esterificat

1989-09-22

1990-11-13

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528283, 524178, 524430, 524784, 428480, 428457, C08G 6302

Patent

active

049702882

ABSTRACT:
Non-toxic organotin catalysts containing at least one direct oxygen-to-tin bond and one direct carbon-to-tin bond are provided for use as esterification catalysts in the production of non-toxic polyester and polyester-containing compositions. Articles made from such polyester and polyester-containing compositions are suitable for use in regulated food, beverage, pharmaceutical, and medical-device applications.

REFERENCES:
patent: 3716523 (1973-02-01), Cook
patent: 3734890 (1973-05-01), Powanda
patent: 3950283 (1976-04-01), Wolgemuth
patent: 4014858 (1977-03-01), Chipman et al.
patent: 4520188 (1985-05-01), Holzrichter et al.
patent: 4555542 (1985-11-01), Komatsu et al.

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