Process for making a PIPA-polyol

Details Process for making a PIPA-polyol Process for making a PIPA-polyol

2005-04-19

2005-04-19

Gorr, Rachel (Department: 1711)

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C523S453000, C523S454000, C252S182270

Reexamination Certificate

active

06881783

ABSTRACT:
Process for preparing a polyol comprising particulate material is dispersed from and in an amount 30-80% by weight.

REFERENCES:
patent: 4438252 (1984-03-01), Carroll et al.
patent: 4452923 (1984-06-01), Carroll et al.
patent: 5068280 (1991-11-01), Pal et al.
patent: 5292778 (1994-03-01), Van Veen et al.
patent: 6068790 (2000-05-01), Postema et al.
patent: 0116758 (1984-08-01), None
patent: 0318242 (1989-05-01), None
patent: WO 9420558 (1994-09-01), None

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