Patent CH395722A successfully refreshed from Google Patents.
US2828265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Complex of polyoxyalkylene compounds with metal salts and organic liquids thickened with same
Assignee: Standard Oil Co
•
Filing: 1952-02-05
•
Granted: 1958-03-25
•
Expires: 1972-02-05
Abstract
No abstract record available.
Inventors
- 👤 Richard E Van Strien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:59
CPC Classifications
C; C07; C07F; C07F19/00; C07F19/005; C10; C10L; C10L7/00; C10L7/02; C10M; C10M5/00; C10M2207/00; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/108; C10M2209/109; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2221/00; C10M2221/04; C10M2221/043; C10N; C10N2050/00; C10N2050/10; Y; Y10; Y10S; Y10S507/00; Y10S507/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
THE PRODUCT PREPARED BY REACTING AT A TEMPERATURE OF ABOUT 60*F. TO ABOUT 400*F. (1) AN INORGANIC METAL SALT CONSISTING OF A POLYVALENT METAL AND A MONOVALENT ANION WHICH SALT IS CHARATERIZED BY AN ABILITY TO FORM AN ALCOHOLATE WITH A LOW MOLECULAR WEIGHT ALCOHOL WITH (2) A POLYOXYALKYLENE COMPOUND CONFORMING TO THE EMPIRICAL FORMULA:
Claim 2
Dependent Claim
44 words
THE COMPOSITION CONSISTING ESSENTIALLY OF AN ORGANIC LIQUID BOILING IN THE RANGE OF FROM ABOUT 100*F. TO ABOUT 1000*F. THICKENED BY AN AMOUNT OF FROM ABOUT 3 PERCENT TO ABOUT 60 PERCENT BY WEIGHT BASED ON TOTAL COMPOSITION, OF THE PRODUCT OF CLAIM 6.
References Cited (Backward Citations)
US2327053A
Cited
US2388887A
Cited
US2420308A
Cited
US2380185A
Cited
US2537493A
Cited
US2532391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |