US3301723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gelled compositions containing galactomannan gums
Assignee: EIDP Inc
•
Filing: 1964-02-06
•
Granted: 1967-01-31
•
Expires: 1984-02-06
Abstract
No abstract record available.
Inventors
- 👤 Joseph D Chrisp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:24
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/006; C08B37/0087; C08B37/0093; C08B37/0096
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
90 words
A PROCESS FOR THE GELATION OF GALACTOMANNAN GUMS WHICH COMPRISES MIXING WATER, GALACTOMANNAN GUM, BASE CAPABLE OF PRODUCING HYDROXIDE IONS, AND CROSSLINKING AGENT SELECTED FROM THE AT LEAST ONE OF THE GROUP CONSISTING OF THE COMPOUNDS OF THE TRANSITION METALS OF ATOMIC NUMBER 21 TO 26 INCLUSIVE, 39 TO 41 INCLUSIVE, 57, 72, AND 73, SAID CROSSLINKING AGENT BEING SOLUBLE IN THE SYSTEM AND PROVIDING FROM ABOUT 0.005 TO 5 MILLIMOLES OF TRANSITION METAL PER GRAM OF GALACTOMANNAN, SAID GELATION BEING CONDUCTED AT A PH OF ABOUT 6 TO 13.
Claim 2
Dependent Claim
90 words
A PROCESS FOR THE GELATION OF GALACTOMANNAN GUMS WHICH COMPRISES MIXING WATER, GALACTOMANNAN GUM, BASE CAPABLE OF PRODUCING HYDROXIDE IONS, AND CROSSLINKING AGENT SELECTED FROM THE AT LEAST ONE OF THE GROUP CONSISTING OF THE COMPOUNDS OF THE TRANSITION METALS OF ATOMIC NUMBER 21 TO 26 INCLUSIVE, 39 TO 41 INCLUSIVE, 57, 72, AND 73, SAID CROSSLINKING AGENT BEING SOLUBLE IN THE SYSTEM AND PROVIDING FROM ABOUT 0.005 TO 5 MILLIMOLES OF TRANSITION METAL PER GRAM OF GALACTOMANNAN, SAID GELATION BEING CONDUCTED AT A PH OF ABOUT 6 TO 13.
Claim 3
Dependent Claim
88 words
A STABLE AQUEOUS GEL COMPRISING A UNIFORM MIXTURE OF WATER AND GALACTOMANNAN GUM CROSSLINKED IN SITU AT A PH OF FROM ABOUT 6 TO 13 WITH BASE CAPABLE OF PRODUCING HYDROXIDE IONS AND CROSSLINKING AGENT SELECTED FROM AT LEAST ONE OF THE GROUP CONSISTING OF COMPOUNDS OF THE TRANSITION METALS OF ATOMIC NUMBER 21 TO 26 INCLUSIVE, 39 TO 41 INCLUSIVE, 57, 72, AND 73, SAID CROSSLINKING AGENT BEING SOLUBLE IN THE SYSTEM AND PROVIDING FROM ABOUT 0.005 TO 5 MILLIMOLES OF TRANSITION METAL PER GRAM OF GALACTOMANNAN.
Claim 4
Dependent Claim
88 words
A STABLE AQUEOUS GEL COMPRISING A UNIFORM MIXTURE OF WATER AND GALACTOMANNAN GUM CROSSLINKED IN SITU AT A PH OF FROM ABOUT 6 TO 13 WITH BASE CAPABLE OF PRODUCING HYDROXIDE IONS AND CROSSLINKING AGENT SELECTED FROM AT LEAST ONE OF THE GROUP CONSISTING OF COMPOUNDS OF THE TRANSITION METALS OF ATOMIC NUMBER 21 TO 26 INCLUSIVE, 39 TO 41 INCLUSIVE, 57, 72, AND 73, SAID CROSSLINKING AGENT BEING SOLUBLE IN THE SYSTEM AND PROVIDING FROM ABOUT 0.005 TO 5 MILLIMOLES OF TRANSITION METAL PER GRAM OF GALACTOMANNAN.
Claim 5
Dependent Claim
44 words
A STABLE AQUEOUS GEL OF CLAIM 15 WHEREIN SAID CROSSLINKING AGENT IS SELECTED FROM THE GROUP CONSISTING OF TRANSITION METAL SALTS OF ACIDS HAVING A FIRST DISSOCIATION CONSTNAT WITH A PKA OF NO GREATER THAN ABOUT 6 AND TRANSITION METAL AMINO-ALCOHOL AND B-DIKETO CHELATES.
Claim 6
Dependent Claim
45 words
A STABLE AQUEOUS GEL OF CLAIM 16, SAID GEL BEING A WATER-BEARING EXPLOSIVE COMPRISING INORGANIC OXIDIZING SALT, FUEL, ABOUT FROM 5 TO 45% BY WEIGHT OF WATER AND ABOUT FROM 0.25 TO 5% BY WEIGHT OF SAID GALACTOMANNAN CROSSLINKED IN SITU WITH SAID CROSSLINKING AGENT.
Claim 7
Dependent Claim
22 words
A STABLE, GELLED, WATER-BEARING EXPLOSIVE COMPOSITION OF CLAIM 17 HAVING AN OXYGEN BALANCE OF ABOUT FROM - 30 TO + 10 COMPRISING:
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |