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:
Mar. 19, 2002
Filed:
Dec. 14, 1999
Valerie Anne Hill, Akron, OH (US);
Michael Gozdiff, North Canton, OH (US);
The Goodyear Tire & Rubber Company, Akron, OH (US);
Abstract
This invention discloses a polymeric magnet composition that is particularly useful for extrusion into thermoplastic magnetic tubing, said polymeric magnet composition being comprised of (1) from 2 to 8 parts by weight of a rubbery polymer which is comprised of repeat units which are comprised of (a) butyl acrylate, (b) at least one member selected from the group consisting of methyl methacrylate, ethyl methacrylate, methyl acrylate and ethyl acrylate, (c) acrylonitrile, (d) styrene, (e) a surfactant selected from the group consisting of sulfonates and sulfate derivatives, (f) a dispersant selected from the group consisting of aromatic formaldehyde condensation products and polycarboxylates and (g) a crosslinking agent; (2) from 2 to 8 parts by weight of a styrene-butadiene resin; (3) from 80 to 90 parts by weight of a magnetic powder; and (4) from 1 to 8 parts by weight of an internal lubricant.