US3663499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection molded articles of thermoplastic polyester resins containing titanium dioxide
Assignee: Hoechst AG
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Filing: 1971-01-07
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Granted: 1972-05-16
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Expires: 1991-01-07
Abstract
Abstract THERMOPLASTIC MOULDING COMPOSITIONS OF LINEAR, SATURATED POLYESTERS AND TITANIUM DIOXIDE WHICH CAN BE PROCESSED IN THE THERMOPLASTIC RANGE TO OBTAIN SHAPED ARTICLES OF HIGH IMPACT STRENGTH AND DIMENSIONAL STABILITY.
Inventors
- 👤 Ludwig Brinkmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:29
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22
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) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |