US3647745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing compositions containing phosphorus- and metal-containing anti-sag agents
Assignee: Lubrizol Corp
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Filing: 1970-04-20
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Granted: 1972-03-07
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Expires: 1990-04-20
Abstract
Abstract PHOSPHORUS- AND METAL-CONTAINING COMPOSITIONS, PREPARED BY REACTING PHOSPHORIC ACID WITH AN ORGANIC EPOXIDE AND FURTHER REACTING THE INTERMEDIATE THUS FORMED WITH A METAL BASE (ESPECIALLY ZINC OXIDE), ARE USEFUL AS ANTISAG AGENTS IN SEALING COMPOSITIONS.
Inventors
- 👤 Thomas Charles Jennings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:02
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/10; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; C09J; C09J123/00; C09J123/02; C09J123/18; C09J123/20; C09J123/22; C09J133/00; C09J133/04; C09J133/06; C09J133/08; C08; C08L; C08L2666/00; C08L2666/28; C08L2666/40; C08L2666/54; C09K2200/00; C09K2200/02; C09K2200/0239; C09K2200/0243; C09K2200/04; C09K2200/0429; C09K2200/06; C09K2200/0607; C09K2200/061; C09K2200/0642; C09K2200/0687
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) | 1975-03-07 | 1975-09-06 | 1976-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-07 | 1979-09-06 | 1980-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-07 | 1983-09-06 | 1984-03-07 | $7700.00 | Window Closed / Lapsed |