Patent US2539012A successfully refreshed from Google Patents.
US2539012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Salt product
Assignee: General Foods Corp
•
Filing: 1948-08-11
•
Granted: 1951-01-23
•
Expires: 1968-08-11
Abstract
No abstract record available.
Inventors
- 👤 Horace W Diamond
- 👤 Frank G Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:06
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/30; C; C01; C01D; C01D3/00; C01D3/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A FREE-FLOWING, NON-CAKING SALT COMPOSITION CONSISTING ESSENTIALLY OF A NORMALLY HYGROSCOPIC SALT HAVING A WATER-REPELLENT METAL SOAP ADHERING TO THE PARTICLES THEREOF, AND A SURFACE-ACTIVE AGENT OF THE GROUP CONSISTING OF SULPHONATED AMIDES, SUBSTITUTED AMMONIUM COMPOUNDS, CYCLIC QUATERNARY AMMONIUM COMPOUNDS, POLYETHYLENE GLYCOL FATTY ACID ESTERS, ALKYL ARYL POLYETHER ALCOHOLS AND POLYALKYLENE DERIVATIVES OF HEXITOL ANHYDRIDE FATTY ACID ESTERS, THE PROPORTIONS OF SOAP AND SURFACE-ACTIVE AGENT BEING ABOUT 0.05-2.0% AND 0.025-0.75%, RESPECTIVELY, OF THE WEIGHT OF THE SALT.
Claim 2
Dependent Claim
77 words
A FREE-FLOWING, NON-CAKING SALT COMPOSITION CONSISTING ESSENTIALLY OF A NORMALLY HYGROSCOPIC SALT HAVING A WATER-REPELLENT METAL SOAP ADHERING TO THE PARTICLES THEREOF, AND A SURFACE-ACTIVE AGENT OF THE GROUP CONSISTING OF SULPHONATED AMIDES, SUBSTITUTED AMMONIUM COMPOUNDS, CYCLIC QUATERNARY AMMONIUM COMPOUNDS, POLYETHYLENE GLYCOL FATTY ACID ESTERS, ALKYL ARYL POLYETHER ALCOHOLS AND POLYALKYLENE DERIVATIVES OF HEXITOL ANHYDRIDE FATTY ACID ESTERS, THE PROPORTIONS OF SOAP AND SURFACE-ACTIVE AGENT BEING ABOUT 0.05-2.0% AND 0.025-0.75%, RESPECTIVELY, OF THE WEIGHT OF THE SALT.
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) | 1954-01-22 | 1954-07-24 | 1955-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-22 | 1958-07-24 | 1959-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-22 | 1962-07-24 | 1963-01-23 | $7700.00 | Window Closed / Lapsed |