US3198758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inorganic cement-epoxy resin composition containing animal glue
Assignee: Individual
•
Filing: 1961-12-05
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Granted: 1965-08-03
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Expires: 1981-12-05
Abstract
No abstract record available.
Inventors
- 👤 Donnelly James Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:00
CPC Classifications
C; C08; C08L; C08L63/00; C04; C04B; C04B28/00; C04B28/02; C04B28/04; C04B28/14; C04B28/142
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
AN INORGANIC CEMENT EPOXY RESIN COMPOSITION COMPRISING: (A) UNCURED INORGANIC CEMENT (B) CEMENT AGGREGATE (C) FROM 0.1-300%, BASED ON THE COMBINED DRY WEIGHT OF THE CEMENT AND AGGREGATE, OF A THERMOSETTING EPOXY RESIN AND AN AMINE CURING AGENT HAVING REACTIVE HYDROGENS ATTACHED TO AMINE GROUPS THEREOF, THE EPOXY RESIN COMPRISING THE CONDENSATION PRODUCT OF EPICHLOROHYDRIN AND AN HYDROXYL-CONTAINING COMPOUND OF THE GROUP CONSISTING OF GLYCEROL AND THE POLYHYDRIC PHENOLS AND CONTAINING A PLURALITY OF VICINAL EPOXY GROUPS, AND (D) FROM 0.1 -20%, BASED ON THE WEIGHT OF THE CEMENT, OF ANIMAL GLUE.
Claim 2
Dependent Claim
92 words
AN INORGANIC CEMENT EPOXY RESIN COMPOSITION COMPRISING: (A) UNCURED INORGANIC CEMENT (B) CEMENT AGGREGATE (C) FROM 0.1-300%, BASED ON THE COMBINED DRY WEIGHT OF THE CEMENT AND AGGREGATE, OF A THERMOSETTING EPOXY RESIN AND AN AMINE CURING AGENT HAVING REACTIVE HYDROGENS ATTACHED TO AMINE GROUPS THEREOF, THE EPOXY RESIN COMPRISING THE CONDENSATION PRODUCT OF EPICHLOROHYDRIN AND AN HYDROXYL-CONTAINING COMPOUND OF THE GROUP CONSISTING OF GLYCEROL AND THE POLYHYDRIC PHENOLS AND CONTAINING A PLURALITY OF VICINAL EPOXY GROUPS, AND (D) FROM 0.1 -20%, BASED ON THE WEIGHT OF THE CEMENT, OF ANIMAL GLUE.
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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |