US2935432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal treatment
Assignee: Reilly-Whiteman-Walton Co
•
Filing: 1957-04-02
•
Granted: 1960-05-03
•
Expires: 1977-04-02
Abstract
No abstract record available.
Inventors
- 👤 Ludwig K Schuster
- 👤 Harvey A Whitenight
- 👤 Jr William A Jung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:55
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/02; C23C22/03; Y; Y10; Y10T; Y10T428/00; Y10T428/27; Y10T428/273
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A METAL COATING PREPARATION CONSISTING ESSENTIALLY OF A HYDROPHILIC ORGANIC COMPOUND HAVING FROM 12 TO 30 CARBON ATOMS IN A CONNECTED GROUP, UP TO 90% BY WEIGHT OF SUBSTANIALLY MON-VOLATILE ORAGNIC METAL LUBRICANT, ABOUT 1% TO 15% WATER BY WEIGHT, AND 2.5 TO 25% BY WEIGHT OF AN ACID SELECTED FORM THE CLASS CONSISTING OF PHOSPHORIC AND PHOSPHOROUS ACIDS, SAID WATER AND SAID ACID BEING DISSOLVED IN THE ORGANIC MATERIAL, AND THE PREPARATION BEING A STABLE SINGLE PHASE LIQUID AT A TEMPERATURE AT LEAST AS LOW AS 80*C.
Claim 2
Dependent Claim
88 words
A METAL COATING PREPARATION CONSISTING ESSENTIALLY OF A HYDROPHILIC ORGANIC COMPOUND HAVING FROM 12 TO 30 CARBON ATOMS IN A CONNECTED GROUP, UP TO 90% BY WEIGHT OF SUBSTANIALLY MON-VOLATILE ORAGNIC METAL LUBRICANT, ABOUT 1% TO 15% WATER BY WEIGHT, AND 2.5 TO 25% BY WEIGHT OF AN ACID SELECTED FORM THE CLASS CONSISTING OF PHOSPHORIC AND PHOSPHOROUS ACIDS, SAID WATER AND SAID ACID BEING DISSOLVED IN THE ORGANIC MATERIAL, AND THE PREPARATION BEING A STABLE SINGLE PHASE LIQUID AT A TEMPERATURE AT LEAST AS LOW AS 80*C.
References Cited (Backward Citations)
US1936534A
Cited
GB625297A
Cited
US2712511A
Cited
US2739915A
Cited
FR1075889A
Cited
US2767111A
Cited
US2857298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |