US3706699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of moulding material starting from polyethylene terephthalate
Assignee: Agfa Gevaert NV
•
Filing: 1970-05-11
•
Granted: 1972-12-19
•
Expires: 1990-05-11
Abstract
Abstract A PROCESS FOR THE PREPARATION OF AND A NOVEL MOULDING MATERIAL COMPRISING POLYETHYLENE TEREPHTHALATE HAVING AN INHERENT VISCOSITY OF 0.65 DL./G. MEASURED AT 25*C. IN A 60:40 MIXTURE OF PHENOL AND TETRACHLOROETHANE IN ADMIXTURE WITH FROM ABOUT 0.1 TO 10% BY WEIGHT OF A FUSIBLE HOMOPOLYMER AND FROM ABOUT 0 TO 1% BY WEIGHT OF A FINELY DIVIDED SOLID MINERAL SUBSTANCE IS DESCRIBED.
Inventors
- 👤 Andre Jan Conix
- 👤 Lambert Gaston Jeurissen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:23
CPC Classifications
C; C08; C08L; C08L67/00; C08L67/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1975-12-19 | 1976-06-19 | 1976-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-19 | 1980-06-19 | 1980-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-19 | 1984-06-19 | 1984-12-19 | $7700.00 | Window Closed / Lapsed |