US2540084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic salt of reaction product of phosphorus sulfide and alkylated cycloaliphatic alcohol
Assignee: Lubrizol Corp
•
Filing: 1947-05-14
•
Granted: 1951-02-06
•
Expires: 1967-05-14
Abstract
No abstract record available.
Inventors
- 👤 Peter A Asseff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:19
CPC Classifications
C; C10; C10M; C10M137/00; C10M137/02; C10M137/04; C10M137/10; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/177; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2223/12; C10M2223/121; C10N; C10N2010/00; C10N2010/04; C10N2010/14; C10N2010/16; C10N2030/00; C10N2030/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
60 words
AS A COMPOSITION OF MATTER, AS SALT ESTER OF A THIOPHOSPHORIC ACID PRODUCED BY THE METHOD WHICH COMPRISES REACTING A POLYVALENT METAL COMPOUND OF THE CLASS CONSISTING OF OXIDES, CARBONATES, BASIC CARBONATES, AND HYDROXIDES WITH THE REACTION PRODUCT OF PHOSPHORUS PENTASULPHIDE AND AN ALKYLATED CYCLOALIPHATIC ALCOHOL IN WHICH SUBSTANTIALLY ALL OF THE ALKYL GROUPS HAVE LESS THAN SIX CARBON ATOMS.
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) | 1954-02-05 | 1954-08-07 | 1955-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-05 | 1958-08-07 | 1959-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-05 | 1962-08-07 | 1963-02-06 | $7700.00 | Window Closed / Lapsed |