Patent US3221338A successfully refreshed from Google Patents.
US3221338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing free-flowing dry flour and other particles
Assignee: Individual
•
Filing: 1961-02-17
•
Granted: 1965-11-30
•
Expires: 1981-02-17
Abstract
No abstract record available.
Inventors
- 👤 Segal Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:01
CPC Classifications
C; C08; C08L; C08L3/00; A; A21; A21D; A21D2/00; A21D2/08; A21D2/24; A21D2/26; A21D2/264; A21D2/265; A23; A23P; A23P10/00; A23P10/40; A23P10/47; B; B01; B01J; B01J2/00; B01J2/30; C05; C05G; C05G3/00; C05G3/30; C08B; C08B11/00; C08B11/20; C08B3/00; C08B3/22; C08B31/00; C08B37/00; C08B37/006; C08B37/0087; C08B37/0096; C08J; C08J3/00; C08J3/12; C08J3/124
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
THE METHOD OF CONVERTING SOLVENT SOLUBLE SOLID PARTICLES WHICH ESSENTIALLY TEND TO CAKE IN STORAGE AND CLUMP IN A SOLVENT DISPERSING MEDIUM TO FREE-FLOWING DRY PARTICLES INSTANTLY DISPERSIBLE IN SOLVENTS, COMPRISING HOMOGENEOUSLY WETTING THE SURFACES OF SAID SOLID PARTICLES WITH A MIXTURE CONSISTING ESSENTIALLY OF A VLATILE LIQUID SOLVENT FOR SAID PARTICLES AND A VOLATILE LIQUID NON-SOLVENT FOR SAID PARTICLES, MISCIBLE WITH SAID SOLVENT, THE TOTAL SOLVENT COMPONENT OF THE LIQUID MIXTURE WITH WHICH SAID SOLIDS ARE WET BEING LESS THAN SUFFICIENT TO DISSOLVE SAID SOLID PARTICLES, AND THEN DRYING SAID WETTED SOLIDS TO REMOVE ALL OF THE WETTING LIQUID.
Claim 2
Independent Claim
100 words
THE METHOD OF CONVERTING SOLVENT SOLUBLE SOLID PARTICLES WHICH ESSENTIALLY TEND TO CAKE IN STORAGE AND CLUMP IN A SOLVENT DISPERSING MEDIUM TO FREE-FLOWING DRY PARTICLES INSTANTLY DISPERSIBLE IN SOLVENTS, COMPRISING HOMOGENEOUSLY WETTING THE SURFACES OF SAID SOLID PARTICLES WITH A MIXTURE CONSISTING ESSENTIALLY OF A VLATILE LIQUID SOLVENT FOR SAID PARTICLES AND A VOLATILE LIQUID NON-SOLVENT FOR SAID PARTICLES, MISCIBLE WITH SAID SOLVENT, THE TOTAL SOLVENT COMPONENT OF THE LIQUID MIXTURE WITH WHICH SAID SOLIDS ARE WET BEING LESS THAN SUFFICIENT TO DISSOLVE SAID SOLID PARTICLES, AND THEN DRYING SAID WETTED SOLIDS TO REMOVE ALL OF THE WETTING LIQUID.
References Cited (Backward Citations)
US1155977A
Cited
US2394244A
Cited
US2221175A
Cited
US2280895A
Cited
US2307253A
Cited
US2356282A
Cited
GB578624A
Cited
US2402192A
Cited
US2433611A
Cited
US2535313A
Cited
US2556727A
Cited
US2618633A
Cited
US2814618A
Cited
US2835606A
Cited
US2933377A
Cited
US2888713A
Cited
US2970063A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |