Patent US3682694A successfully refreshed from Google Patents.
US3682694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oils for heat treatment of thermoplastic fibers
Assignee: Individual
•
Filing: 1970-01-23
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Granted: 1972-08-08
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Expires: 1990-01-23
Abstract
Abstract IN THE WORKING AND THERMAL TREATING OF SYNTHETIC THERMOPLASTIC POLYMER FIBERS, IMPROVED LUBRICATING COMPOSITIONS ARE PROVIDED COMPRISING AT LEAST ONE LUBRICATING COMPOUND OF THE GROUP TRI-2-ETHYLHEXYLTRIMELLITATE, TRIISODCCYLTRIMELLIATE, TRI-POLYOXYETHYLENE LAYRYTRIMELLITATE, TETRA-ISODECYLPYROMELLITATE, AND TETRA-OCTYLMETHYLENE-BIS-PHTHALATE, WHICH MAY BE COMBINED WITH CONVENTIONAL MATERIALS EMPLOYED IN SUCH COMPOSITIONS.
Inventors
- 👤 Yasuharu Kato
- 👤 Hirokazu Matsueda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:36
CPC Classifications
D; D06; D06M; D06M7/00; D06M2200/00; D06M2200/40
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) | 1975-08-08 | 1976-02-07 | 1976-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-08 | 1980-02-07 | 1980-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-08 | 1984-02-07 | 1984-08-08 | $7700.00 | Window Closed / Lapsed |