Process for preparing containers using branched polyesters
Granted 4 Jan 1977 · no office action yet
Assignee:
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Inventors: Roger M. Schulken, Jr., James R. Overton, Burns Davis · Examiner: · AU 147 · TC 1400
Life of the patent
2 dated eventsAbstract
disclosed is a process for preparing containers, such as bottles, using a branched polyester of terephthalic acid, a combination of ethylene glycol and 1,4-cyclohexanedimethanol and a small amount of a polyfunctional branching compound. A molten parison of such polyester is extruded and then expanded in a container mold to form the desired container.
Classifications
5 codes- B29C49/00
- C08G63/20
- C08G63/199
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