Polyether based preparations and the use thereof

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

Reexamination Certificate

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Details

C524S313000, C524S320000, C524S505000, C524S612000, C528S423000, C433S199100, C433S201100

Reexamination Certificate

active

06919386

ABSTRACT:
The invention relates to preparations, containing(A) 30 to 56 wt.-% aziridino polyethers with a cyclic polyether content lower than 5.0 wt.-%;(B) 30 to 45 wt.-% compounds which effect a softening of the cured dental materials;(C) 10 to 15 wt.-% filler;(D) 4 to 10 wt.-% further active ingredients;with the provisos thatthe weight ratio between constituents (A) and (C) to the compounds of constituent (B) is 1.2 to 2.1;constituent (B) consists of compounds with molar masses lower than 500 g/mol (B1) and of trisacylesters of glycerol of non-animal origin with molar masses between 500 to 2000 g/mol (B2) as well as of compounds with molar masses greater than 2000 g/mol (B3) andthe weight ratio between (B1) and (B3) is 1:0.8 to 1:2.3,as well as their use.

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