Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Treating polymer containing material or treating a solid...
Patent
1988-03-18
1989-03-07
Kight, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Treating polymer containing material or treating a solid...
528481, 528486, 528487, 528491, 528492, 528493, 528494, 528496, 528497, 528499, 528502, 528503, 210768, 210772, 210773, 210774, 210787, C08F 612
Patent
active
048107751
ABSTRACT:
The invention relates to the purification of polymers, particularly resorbable polyesters, using shear fields produced mechanically or by fluid dynamics.
REFERENCES:
patent: 3297033 (1967-01-01), Schmitt et al.
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patent: 4279249 (1981-07-01), Vert et al.
patent: 4313879 (1982-02-01), Klenk et al.
patent: 4341709 (1982-07-01), Hofen et al.
patent: 4454045 (1984-06-01), Perplies
patent: 4523591 (1985-06-01), Kaplan et al.
Bendix Dieter
Reichert Dieter
Scharfe Michael
Acquah S. A.
Boehringer Ingelheim KG
Frankhouser David E.
Kight John
Stempel Alan R.
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