US3832151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for disposal of plastic wastes
Assignee: Mitsui Chemicals Inc
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Filing: 1973-02-28
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Granted: 1974-08-27
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Expires: 1993-02-28
Abstract
Abstract A PROCESS FOR PLASTIC WASTES DISPOSAL CHARACTERIZED IN THAT PLASTIC WASTES ARE THERMALLY DECOMPOSED, THE PRODUCT IS COOLED AND SEPARATED INTO GASEOUS PRODUCT AND LIQUID PRODUCT, AND CARBON SLUDGE IN THE REACTOR CONTENT IS DISPERSED TO AVOID THE DEPOSITION OF SUCH CARBON SLUDGE AND A PART OF THE REACTOR CONTENT IS DISCHARGE TO REDUCE THE CARBON SLUDGE IN THE REACTOR.
Inventors
- 👤 Y Kitaoka
- 👤 K Murata
- 👤 K Fujiyoshi
- 👤 K Hama
- 👤 M Hashimoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:45
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/02; F23G5/027; F23G5/0273; B; B01; B01J; B01J19/00; B01J19/18; C; C10; C10B; C10B53/00; C10B53/07; C10G; C10G1/00; C10G1/02; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00087; B01J2219/00099; B01J2219/00157; B01J2219/18; B01J2219/185; Y; Y02; Y02P; Y02P20/00; Y02P20/141; Y02P20/143
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-26 | 1978-02-25 | 1978-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-26 | 1982-02-25 | 1982-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-26 | 1986-02-25 | 1986-08-27 | $7700.00 | Window Closed / Lapsed |