Binding agent for inorganic material powders for producing...

Details Binding agent for inorganic material powders for producing... Binding agent for inorganic material powders for producing...

2005-09-06

2005-09-06

Lechert, Jr., Stephen J. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

C264S013000, C264S014000, C425S183000, C425S301000

Reexamination Certificate

active

06939488

ABSTRACT:
A binder B for inorganic powders comprises a mixture ofb1 from 80 to 99.5% by weight of a polyoxymethlene homopolymer or copolymer B1 andb2 from 0.5 to 20% by weight of a polymer system B2 which is not miscible with B1 and comprisesb21 from 5 to 100% by weight of polytetrahydrofuran B21 andb22 from 0 to 95% by weight of at least one polymer B22 of C2-8-olefins, vinylaromatic monomers, vinyl esters of aliphatic C1-8-carboxylic acids, vinyl C1-8-alkyl ethers or C1-12-alkyl (meth)acrylates.

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patent: 5362791 (1994-11-01), Ebenhoech et al.
patent: 5695697 (1997-12-01), Trubenbach et al.
patent: 5802437 (1998-09-01), Wohlfromm et al.
patent: 40 00 278 (1991-02-01), None
patent: 0 465 940 (1992-01-01), None

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