The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 09, 1992
Filed:
Apr. 30, 1990
Joel Dyksterhouse, Petoskey, MI (US);
Alan C Handermann, Charlotte, NC (US);
George E Husman, Matthews, NC (US);
Peter G Ittemann, Fort Mill, SC (US);
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
Compositions are disclosed which are suitable for the preparation of thermoplastic syntactic foam intermediate and final products. These compositions comprise a slurry or putty containing thermoplastic particles, microballoons, and a non-solvent, optionally in the presence of suitable thickeners, binders, and surfactants. In a preferred embodiment, the composition contains particles of an engineering thermoplastic having a mean particle size less then about 100 .mu.m, microballoons, water as the non-solvent, and a thickener/binder which is a lightly crosslinked polyacrylic acid.