JPS4921497A - - Google Patents
Info
- Publication number
- JPS4921497A JPS4921497A JP6094172A JP6094172A JPS4921497A JP S4921497 A JPS4921497 A JP S4921497A JP 6094172 A JP6094172 A JP 6094172A JP 6094172 A JP6094172 A JP 6094172A JP S4921497 A JPS4921497 A JP S4921497A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Polyesters Or Polycarbonates (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6094172A JPS4921497A (zh) | 1972-06-20 | 1972-06-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6094172A JPS4921497A (zh) | 1972-06-20 | 1972-06-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4921497A true JPS4921497A (zh) | 1974-02-25 |
Family
ID=13156893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6094172A Pending JPS4921497A (zh) | 1972-06-20 | 1972-06-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS4921497A (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4049635A (en) * | 1976-01-19 | 1977-09-20 | Phillips Petroleum Company | Production of tetramethylene terephthalate polymers using 225° to 248° C. polycondensation temperature |
JPS56137110A (en) * | 1980-03-27 | 1981-10-26 | Shin Meiwa Ind Co Ltd | Taking-out device for output of differential transformer |
JPS59138223A (ja) * | 1983-01-28 | 1984-08-08 | Teijin Ltd | ポリエステルの製造方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3433770A (en) * | 1964-06-01 | 1969-03-18 | Teijin Ltd | Addition of diaryl ester to polycondensation step of polyesterification process |
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1972
- 1972-06-20 JP JP6094172A patent/JPS4921497A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3433770A (en) * | 1964-06-01 | 1969-03-18 | Teijin Ltd | Addition of diaryl ester to polycondensation step of polyesterification process |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4049635A (en) * | 1976-01-19 | 1977-09-20 | Phillips Petroleum Company | Production of tetramethylene terephthalate polymers using 225° to 248° C. polycondensation temperature |
JPS56137110A (en) * | 1980-03-27 | 1981-10-26 | Shin Meiwa Ind Co Ltd | Taking-out device for output of differential transformer |
JPS59138223A (ja) * | 1983-01-28 | 1984-08-08 | Teijin Ltd | ポリエステルの製造方法 |