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Application

15802445 · METHOD AND DEVICE FOR PURIFYING POLYBUTYLENE TEREPHTHALATE

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Filed 2017-11-02 · Granted · Patent 10508177 (2019-12-17) The official file ↗The patent and its PDF ↗ · Art unit 1765 · Examiner Frances Tischler Typical · CPC C08J 3/14 · Chang Chun Petrochemical Co., LTD. · CKC & Partners Co., LLC

Office actions
1
first was Restriction requirement
RCEs
0
no appeal
To first action
16.7 mo
to disposition 25.5 mo
Statutes raised
103
1 actions read
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