Patent US3047515A successfully refreshed from Google Patents.
US3047515A
Expired / Lapsed
US
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Preparation of polyesters using titanium-containing catalysts
Assignee: Goodyear Tire and Rubber Co
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Filing: 1956-07-09
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Granted: 1962-07-31
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Expires: 1976-07-09
Abstract
No abstract record available.
Inventors
- 👤 Piirma Aleksander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:19
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/78; C08G63/82; C08G63/85; C07; C07F; C07F7/00; C07F7/003; C08G63/02; C08G63/12; C08G63/16; C08G63/18; C08G63/181; C08G79/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
AS A NEW COMPOUND, POLYMERIC CROSSLINKED ETHYLENE GLYCOL TITANATE.
Claim 2
Dependent Claim
9 words
AS A NEW COMPOUND, POLYMERIC CROSSLINKED ETHYLENE GLYCOL TITANATE.
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) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |