US Patent 7419721 Sizing composition and glass fiber reinforced thermoplastic resin
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Patent Inventor Names
Bertho van de Heisteeg0
Henri Beerda0
Jacob Cornelis Dijt0
Johannes Leonardus Tabak0
Ronald Boelman0
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Patent abstract
The present invention is directed to sizing compositions for glass fibers and glass fiber reinforced thermoplastic resins. The sizing composition comprises a maleic anhydride copolymer. Thermoplastic polyamide resin articles reinforced with glass fibers at least partially coated with a residue of the sizing composition can demonstrate a surprising improvement in strength of the reinforced polyamide resin when lubricated with a fatty acid metal salt and in the hydrolysis resistance when exposed to boiling water/ethylene glycol medium.
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US Patent 07419721 Sizing composition and glass fiber reinforced thermoplastic resin US Patent 7419721 Sizing composition and glass fiber reinforced thermoplastic resin
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Patent Number
074197210
Patent Number
74197210
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Patent Jurisdiction
Patent Number
074197210
Date of Patent
September 2, 2008
0Patent Application Number
107412730
Date Filed
December 19, 2003
0Official Website
Patent Primary Examiner
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US Patent 07419721 Sizing composition and glass fiber reinforced thermoplastic resin
Infobox
Is a
Patent jurisdiction
Patent number
07419721
Date of patent
September 2, 2008
Patent application number
10741273
Date Filed
December 19, 2003
Patent primary examiner
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