US3309345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric s-triazines
Assignee: Shell USA Inc
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Filing: 1965-03-22
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Granted: 1967-03-14
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Expires: 1985-03-22
Abstract
No abstract record available.
Inventors
- 👤 Lutwack Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:14
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/02; C08G73/0273; C08G73/06; C08G73/0622; C08G73/0638; C08G73/0644; C10; C10M; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/026; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2215/00; C10M2215/22; C10M2215/221; C10M2215/222; C10M2217/00; C10M2217/02; C10M2217/04; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2219/08; C10M2219/082; C10M2219/083; C10M2219/086; C10M2219/09; C10M2221/00; C10N; C10N2010/00; C10N2010/04; C10N2010/12; C10N2040/00; C10N2040/12; C10N2040/13; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
AS A NEW POLYMER AN OIL-SOLUBLE POLYMERIC DERIVATIVE OF S-TRIAZINE HAVING THE FORMULA:
Claim 2
Dependent Claim
13 words
AS A NEW POLYMER AN OIL-SOLUBLE POLYMERIC DERIVATIVE OF S-TRIAZINE HAVING THE FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |