US3215634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for stabilizing viscous liquids
Assignee: Jersey Production Research Co
•
Filing: 1962-10-16
•
Granted: 1965-11-02
•
Expires: 1982-10-16
Abstract
No abstract record available.
Inventors
- 👤 Richard E Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:49
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/006; C08B37/0087; C08B37/0096; Y; Y10; Y10S; Y10S507/00; Y10S507/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
AN AQUEOUS SUPERELASTIC LIQUID CONTAINING A POLYSACCHARIDE HAVING ADJACENT CIS HYDROXYL GROUPS IN A CONCENTRATION OF FROM ABUT 0.5 TO ABUT 12 LBS. PER BARREL, A BORATE ION CROSS-LINKING AGENT PRESENT IN A CONCENTRATION SUFFICIENT TO CROSS-LINK SAID POLYSACCHARIDE AND PROVIDE EXCESS BORATE IONS, AND AN ACYCLIC C2 TO C5 POLYHYDRIC ALCOHOL HAVING AT LEAST 2 ADJACENT HYDROXYL GROUPS PER MOLECULE, SAID POLYHDRIC ALCOHOL BEING PRESENT IN A CONCENTRATION SUFFICIENT TO REACT WITH SAID EXCESS BORATE IONS AND STABILIZE THE CROSS-LINKED POLYSACCHARIDE.
Claim 2
Dependent Claim
82 words
AN AQUEOUS SUPERELASTIC LIQUID CONTAINING A POLYSACCHARIDE HAVING ADJACENT CIS HYDROXYL GROUPS IN A CONCENTRATION OF FROM ABUT 0.5 TO ABUT 12 LBS. PER BARREL, A BORATE ION CROSS-LINKING AGENT PRESENT IN A CONCENTRATION SUFFICIENT TO CROSS-LINK SAID POLYSACCHARIDE AND PROVIDE EXCESS BORATE IONS, AND AN ACYCLIC C2 TO C5 POLYHYDRIC ALCOHOL HAVING AT LEAST 2 ADJACENT HYDROXYL GROUPS PER MOLECULE, SAID POLYHDRIC ALCOHOL BEING PRESENT IN A CONCENTRATION SUFFICIENT TO REACT WITH SAID EXCESS BORATE IONS AND STABILIZE THE CROSS-LINKED POLYSACCHARIDE.
References Cited (Backward Citations)
US3058909A
Cited
US3079332A
Cited
US2949439A
Cited
US3067192A
Cited
US3000790A
Cited
US3096284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |