USPatentGranted
I4

Compositions of polyesters having fine particles of poly (1,4-cyclohexylene-dimethylene terephthalate) dispersed therein

Granted 7 Feb 1978 · no office action yet

Assignee:

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Inventors: Willis C. Wooten, David R. Fagerburg, Burns Davis · Examiner: · AU 142 · TC 1400

Application
731877
filed 13 Oct 1976
Publication
Not published
not published
Patent· this page
US T967007
granted 7 Feb 1978

Life of the patent

2 dated events
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Abstract

disclosed are compositions comprised of fine particles of unannealed poly(1,4-cyclohexylenedimethylene terephthalate) dispersed in a poly(tetramethylene terephthalate) type polyester, a poly(pentamethyleneterephthalate) type polyester, a poly(hexamethylene terephthalate) type polyester, a poly(1,4-cyclohexylenedimethylene terephthalate/isophthalate) type polyester, a poly(tetramethylene terephthalate) type polyester modified with poly(alkylene oxide)glycol, a poly(1,4-cyclohexylenedimethylene terephthalate) type polyester modified with poly(alkylene oxide) glycol or a polyester prepared from 1,4-cyclohexanedicarboxylic acid, dimer acid, and 1,4-cyclohexanedimethanol.

Classifications

2 codes
IPC · International Patent Classification
Section C — Chemistry; metallurgy
  • C08L67/02
USPC · US Patent Classification
260/860

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Pendency
1.3 y
482 days filing → grant
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