Use of mixtures as impression or doubling compositions in...

Details Use of mixtures as impression or doubling compositions in... Use of mixtures as impression or doubling compositions in...

2005-04-26

2005-04-26

Yoon, Tae H. (Department: 1714)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C528S028000, C433S228100

Reexamination Certificate

active

06884828

ABSTRACT:
A dental impression or doubling composition comprisingA) alkoxysilyl-functional polyethers with linear or branched main chains with an average molecular weight (Mn) of 800 to 20,000, containing20 to 95 weight percent of polyether groups and0.2 to 25 weight percent of SIR1R2R3alkoxysilyl groups, in which R1, R2and R3, independently of one another, are hydrogen, alkyl or alkoxy, and0 to 10 weight percent of urethane groups or 0 to 10 weight percent of urea groups, andB) a mixture, containing water and organic and/or inorganic acids in a ratio by weight of 1:0.01 to 1:40.

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