Patent US3361845A successfully refreshed from Google Patents.
US3361845A
Expired / Lapsed
US
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Process for gelling unsaturated polyester resins by addition of alcoholates of aluminum and titanium
Assignee: Toyo Koatsu Industries Inc
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Filing: 1966-06-23
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Granted: 1968-01-02
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Expires: 1986-06-23
Abstract
No abstract record available.
Inventors
- 👤 Hiroshi Watanabe
- 👤 Nobuo Tonami
- 👤 Takeshi Watanabe
- 👤 Masayuki Nanba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:03
CPC Classifications
C; C08; C08F; C08F283/00; C08F283/01; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2429060A
Cited
US2628209A
Cited
US2680108A
Cited
GB801795A
Cited
US2892780A
Cited
US3227665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |