Patent US3782984A successfully refreshed from Google Patents.
US3782984A
Expired / Lapsed
US
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Adjuvants for cements,mortars and concretes
Assignee: Rhone Progil SA
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Filing: 1972-06-28
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Granted: 1974-01-01
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Expires: 1992-06-28
Abstract
Abstract INCORPORATION OF A COMPOSITION COMPRISES OF ALKALI METAL ACID CARBONATES, ALKALI METL SALTS OF HYDROXYLATED ORGANIC ACIDS, AND ALKALI METAL SILICATES INTO PORTLAND TYPE CEMENT, AND MORTARS AND CONCRETES. ETC., CONTAINING SUCH CEMENTS AFFORDS PRODUCTS HAVING AN ACCELERATED SETTING TIME AND WHICH EVIDENCE SIGNIFICANTLY IMPROVED MECHANICAL PREFORMANCE AND HANDLING CHARACTERISTICS.
Inventors
- 👤 P Allemand
- 👤 C Hovasse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:01
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B28/04; C04B28/24; C04B28/26; C04B2103/00; C04B2103/10; C04B2103/12; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91
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) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |