US2901433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning composition
Assignee: Pennwalt Corp
•
Filing: 1953-07-17
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Granted: 1959-08-25
•
Expires: 1973-07-17
Abstract
No abstract record available.
Inventors
- 👤 Spring Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:19
CPC Classifications
C; C11; C11D; C11D9/00; C11D9/04; C11D9/22; C11D9/26; C11D9/267; C11D15/00; C11D17/00; C11D17/08; C11D3/00; C11D3/43; C11D9/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A CIENING COMPOSITION BY WEIGHT, FROM ABOUT 1% TO ABOUT 50% OF A SOAP SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METAL, AMMONIUM, AMINE AND ALKANOL AMINE SALTS OF THE FATTY AND ROSIN ACIDS, FROM ABOUT 5% TO ABOUT 80, WATER: FROM ABOUT 1% TO ABOUT 50% OF AN ORGANIC ACID SELECTED FROM THE GROUP CONSISTING OF ROSIN ACIDS, AND FATTY ACIDS HAVING FROM ABOUT 6 TO ABOUT 26 CARBON ATOMS: FROM ABOUT 6% TO ABOUT 90% OF AN ORGANIC SOLVENT SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON SOLVENTS HAVING A BOILING POINT RANGE BETWEEN ABOUT 75* C. ASND ABOUT 400* C., CABON TETRACHLORIDE, PERCHLOROETHYLENE AND TRICHLOROETHYLENE; AND AT LEAST ABOUT 0.05% OF A NEUTRAL ALKALI METAL SALT OF A MINERAL ACID SELECTED FROM THE GROUP CONSISTING OF SULPHURIC ACID, HYDROCHLORIC ACID AND CHROMIC ACID.
Claim 2
Dependent Claim
136 words
A CIENING COMPOSITION BY WEIGHT, FROM ABOUT 1% TO ABOUT 50% OF A SOAP SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METAL, AMMONIUM, AMINE AND ALKANOL AMINE SALTS OF THE FATTY AND ROSIN ACIDS, FROM ABOUT 5% TO ABOUT 80, WATER: FROM ABOUT 1% TO ABOUT 50% OF AN ORGANIC ACID SELECTED FROM THE GROUP CONSISTING OF ROSIN ACIDS, AND FATTY ACIDS HAVING FROM ABOUT 6 TO ABOUT 26 CARBON ATOMS: FROM ABOUT 6% TO ABOUT 90% OF AN ORGANIC SOLVENT SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON SOLVENTS HAVING A BOILING POINT RANGE BETWEEN ABOUT 75* C. ASND ABOUT 400* C., CABON TETRACHLORIDE, PERCHLOROETHYLENE AND TRICHLOROETHYLENE; AND AT LEAST ABOUT 0.05% OF A NEUTRAL ALKALI METAL SALT OF A MINERAL ACID SELECTED FROM THE GROUP CONSISTING OF SULPHURIC ACID, HYDROCHLORIC ACID AND CHROMIC ACID.
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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) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |