Patent US3130174A successfully refreshed from Google Patents.
US3130174A
Expired / Lapsed
US
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Magnesium oxychloride cements
Assignee: Dow Chemical Co
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Filing: 1960-12-02
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Granted: 1964-04-21
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Expires: 1980-12-02
Abstract
No abstract record available.
Inventors
- 👤 William G Lloyd
- 👤 Thomas E Durocher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:26
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/30; C04B28/32; C04B24/00; C04B24/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A COMPOSITION OF MATTER COMPRISING A MAGNESIUM OXYCHLORIDE CEMENT CONTAINING AN EFFECTIVE QUANTITY OF AT LEAST ABOUT 0.02 UP TO ABOUT 3 PERCENT BY WEIGHT OF THE CEMENT OF A WATER-SOLUBLE, POLYMERIC POLYSULFONIUM COMPOSITION CONTAINING IN CHEMICALLY COMBINED FORM AT LEAST A SUBSTANTIAL PROPORTION OF A MONOMER HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
51 words
A COMPOSITION OF MATTER COMPRISING A MAGNESIUM OXYCHLORIDE CEMENT CONTAINING AN EFFECTIVE QUANTITY OF AT LEAST ABOUT 0.02 UP TO ABOUT 3 PERCENT BY WEIGHT OF THE CEMENT OF A WATER-SOLUBLE, POLYMERIC POLYSULFONIUM COMPOSITION CONTAINING IN CHEMICALLY COMBINED FORM AT LEAST A SUBSTANTIAL PROPORTION OF A MONOMER HAVING THE GENERAL 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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |