Degradable foam materials

Details Degradable foam materials Degradable foam materials

1992-07-29

1993-05-11

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 841, 521138, 521183, 521189, 521916, 527300, 527312, 528354, C08J 914, C08J 928

Patent

active

052101088

ABSTRACT:
Environmentally benign closed cell compositions made by foaming star-shaped polymers with a plurality of poly(hydroxy acid) chains attached to a central polyfunctional compound having a plurality of hydroxyl and/or amino groups.

REFERENCES:
patent: 4719246 (1988-01-01), Murdock et al.
patent: 4766182 (1988-08-01), Murdoch et al.
patent: 4988740 (1991-01-01), Walter et al.
patent: 5134171 (1992-07-01), Hammel et al.

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