US3090692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic cement additives and cement compositions containing same
Assignee: Lockheed Martin Corp
•
Filing: 1959-11-06
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Granted: 1963-05-21
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Expires: 1979-11-06
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Kelly
- 👤 Richard C Mielenz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:20
CPC Classifications
C; C04; C04B; C04B24/00; C04B24/10; C04B28/00; C04B28/02; C04B28/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
AN ADDITIVE COMPOSITION FOR INCORPORATION IN HYDRAULIC CEMENT MIXES CONSISTING ESSENTIALLY OF BETWEEN ABOUT 1 AND 20 PARTS BY WEIGHT OF A CARBOHYDRATE SELECTED FROM THE GROUP CONSISTING OF MONOSACCHARIDES HAVING 5 TO 6 CARBON ATOMS AND DISACCHARIDES WHICH ARE MULTIPLES OF SAID MONOSACCHARIDES, BETWEEN ABOUT 5 AND 30 PARTS BY WEIGHT OF A WATER-SOLUBLE CHLORIDE, BETWEEN ABOUT 1 AND 10 PARTS BY WEIGHT OF A WATER-SOLUBLE SHORT CHAIN ALKYL AMINE, AND BETWEEN ABOUT 1 AND 10 PARTS BY WEIGHT OF A WATER-SOLUBLE ORGANIC ETHYLENE OXIDE CONDESATION PRODUCT FORMED BY CONDENSING ETHYLENE OXIDE WITH A SECOND ORGANIC COMPOUND HAVING A FUNCTIONAL GROUP, SAID CHLORIDE BIENG SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL CHLORIDES, ALKALINE EARTH METAL CHLORIDES AND AMMONIUM CHLORIDE, AND SAID CARBOHYDRATE COMPRISING AN AMOUNT AT LEAST ABOUT AS GREAT AS THE AMOUNT OF SAID ALKYL AMINE AND AT LEAST ABOUT AS GREAT AS THE AMOUNT OF SAID ETHYLENE OXIDE CONDENSATION PRODUCT.
Claim 2
Dependent Claim
154 words
AN ADDITIVE COMPOSITION FOR INCORPORATION IN HYDRAULIC CEMENT MIXES CONSISTING ESSENTIALLY OF BETWEEN ABOUT 1 AND 20 PARTS BY WEIGHT OF A CARBOHYDRATE SELECTED FROM THE GROUP CONSISTING OF MONOSACCHARIDES HAVING 5 TO 6 CARBON ATOMS AND DISACCHARIDES WHICH ARE MULTIPLES OF SAID MONOSACCHARIDES, BETWEEN ABOUT 5 AND 30 PARTS BY WEIGHT OF A WATER-SOLUBLE CHLORIDE, BETWEEN ABOUT 1 AND 10 PARTS BY WEIGHT OF A WATER-SOLUBLE SHORT CHAIN ALKYL AMINE, AND BETWEEN ABOUT 1 AND 10 PARTS BY WEIGHT OF A WATER-SOLUBLE ORGANIC ETHYLENE OXIDE CONDESATION PRODUCT FORMED BY CONDENSING ETHYLENE OXIDE WITH A SECOND ORGANIC COMPOUND HAVING A FUNCTIONAL GROUP, SAID CHLORIDE BIENG SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL CHLORIDES, ALKALINE EARTH METAL CHLORIDES AND AMMONIUM CHLORIDE, AND SAID CARBOHYDRATE COMPRISING AN AMOUNT AT LEAST ABOUT AS GREAT AS THE AMOUNT OF SAID ALKYL AMINE AND AT LEAST ABOUT AS GREAT AS THE AMOUNT OF SAID ETHYLENE OXIDE CONDENSATION PRODUCT.
References Cited (Backward Citations)
US2031621A
Cited
US2141571A
Cited
US2418431A
Cited
US2437842A
Cited
US2783157A
Cited
US2790724A
Cited
US2782857A
Cited
US2801931A
Cited
US2798003A
Cited
US2860060A
Cited
US2890752A
Cited
US2927033A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |