USPatentGranted
I4

Process for preparing containers using polyesters

Granted 4 Jan 1977 · no office action yet

Application
693450
filed 7 Jun 1976
Publication
Not published
not published
Patent· this page
US T954004
granted 4 Jan 1977

Life of the patent

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Abstract

disclosed is a process for preparing containers, such as bottles, using a polyester of terephthalic acid, ethylene glycol, and 1,4-cyclohexanedimethanol, wherein the 1,4-cyclohexanedimethanol is from 25 to 40 mole percent of the diol. A molten parison of such polyester is extruded and then expanded in a mold to form the desired container.

Classifications

4 codes
IPC · International Patent Classification
Section B — Performing operations; transporting
  • B29C49/00
Section C — Chemistry; metallurgy
  • C08G63/199
USPC · US Patent Classification
264/98260/75.T

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Pendency
0.6 y
211 days filing → grant
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