Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1985-06-06
1986-08-26
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525530, 525533, 526301, 526302, 528117, 528322, 560 25, 560158, C08F 830
Patent
active
046084207
ABSTRACT:
Process for the preparation of acylurethanes by reacting a urethane with compounds containing hydroxyl groups, which comprises reacting a hydroxy compound (A) with a urethane (B) in the form of an imide of the formula ##STR1## to give an acylurethane containing at least one grouping of the formula --CO--R--CO--NH--COOR.sup.1 (II). In these formulae,
REFERENCES:
patent: 4160077 (1979-07-01), Brooks
patent: 4160866 (1979-07-01), Brooks
patent: 4163097 (1979-07-01), Baumann
Brindopke Gerhard
Johannes Gerhard
Hoechst Aktiengesellschaft
Michl Paul R.
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