Patent US2979524A successfully refreshed from Google Patents.
US2979524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modified organic fluids of the glycol type and methods of producing the same
Assignee: US Borax Inc
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Filing: 1957-03-05
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Granted: 1961-04-11
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Expires: 1977-03-05
Abstract
No abstract record available.
Inventors
- 👤 John H Wright
- 👤 Lowell L Petterson
- 👤 Steinberg Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:18
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/04; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/12; C23F11/122; C10; C10M; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/0225; C10M2207/04; C10M2207/046; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/1033; C10M2209/104; C10M2209/1045; C10M2209/105; C10M2209/1055; C10M2209/106; C10M2209/1065; C10M2209/107; C10M2209/1075; C10M2209/108; C10M2209/1085; C10M2209/109; C10M2209/1095; C10M2227/00; C10M2227/06; C10M2227/061; C10M2227/062; C10M2227/063; C10M2227/065; C10M2227/066; C10N; C10N2040/00; C10N2040/08; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
215 words
AS A BUFFERING ADDITIVE COMPOSITION FOR ORGANIC FLUIDS, A CONDENSATION PRODUCT OF AN ORGANIC COMPOUND AND A BORATE COMPOUND, SAID ORGANIC COMPOUND BEING SELECTED FROM THE CLASS CONSISTING OF GLYCOLS CONTAINING FROM TWO TO SIX CARBON ATOMS AND MIXTURES OF SUCH GLYCOLS AND MONOETHERS OF SUCH GLYCOLS WITH AN ALKYL GROUP CONTAINING FROM ONE TO FOUR CARBON ATOMS, SAID BORATE COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METAL TETRABORATES AND METABORATES AND THE ALKALINE EARTH METAL TETRABORATES AND METROBRATES AND THE MOLAR RATIO OF ORGANIC COMPOUND TO BORATE COMPOUND IN SAID CONDENSATION PRODUCT HAVIN G A VALUE BETWEEN ABOUT THREE TO ONE AND ABOUT TWELVE TO ONE, THE WATER CONTENT OF SAID CONDENSATION PRODUCT BEING THAT AMOUNT OF WATER WHICH IS PRESENT AFTER REMOVING FROM SAID CONDENSATION PRODUCT AN AMOUNT OF WATER WHICH IS AT LEAST IN THE ORDER OF THE TOTAL WATER OF HYDRATION OF THE BORATE COMPOUND AND IS LESS THAN THE SUM OF SAID WATER OF HYDRATION AND ABOUT HALF OF THE CONDENSATION WATER CORRESPONDING TO COMPLETE CONDENSATION OF THE SAID COMPOUNDS, AND SAID CONDENSATION PRODUCT BEING A SUBSTANTIALLY HOMOGENEOUS AND READILY POURABLE LIQUID AT A TEMPERATURES LESS THAN ABOUT 100*C., SAID LIQUID BEING READLY MISCIBLE IN CONCENTRATIONS UP TO AT LEST 25% IN GLYCOL HYDRAULIC AND COLLANT FLUIDS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |