Invention Grant
US3451971A Process for the production of polyethylene terephthalate free of objectionable coloration
失效
生产不含可目标颜色的聚乙烯聚乙二醇酯的方法
- Patent Title: Process for the production of polyethylene terephthalate free of objectionable coloration
- Patent Title (中): 生产不含可目标颜色的聚乙烯聚乙二醇酯的方法
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Application No.: US3451971DApplication Date: 1968-05-21
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Publication No.: US3451971APublication Date: 1969-06-24
- Inventor: LAZARUS STANLEY D
- Applicant: ALLIED CHEM
- Assignee: Allied Corp
- Current Assignee: Allied Corp
- Priority: US73090768 1968-05-21
- Main IPC: C08G63/86
- IPC: C08G63/86 ; C08G17/015
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