US3212908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for granulating powdery materials
Assignee: Glaxo Group Ltd
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Filing: 1964-12-09
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Granted: 1965-10-19
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Expires: 1984-12-09
Abstract
No abstract record available.
Inventors
- 👤 Childs George Albert
- 👤 Mettler Alexander Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:26
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/14; A61K9/16; A21; A21D; A21D6/00; A21D6/006; A23; A23C; A23C9/00; A23C9/16; A23P; A23P10/00; A23P10/20; B; B01; B01J; B01J2/00; B01J2/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A METHOD OF FORMING GRANULES OF SUBSTANTIALLY UNIFORM SIZE FROM HEAT SENSITIVE, POWDERY, EDIBLE MATERIAL RENDERED ADHESIVE BY THE ACTION OF STEAM, WHICH COMPRISES: FORMING ON A SUPPORTING SURFACE SAID POWDERY MATERIAL WHILE DRY INTO INDIVIDUAL MASSES OF CONTIGUOUS PARTICLES, SAID MASSES BEING OF SUBSTANTIALLY UNIFORM SIZE; STEAMING THE DRY MASSES TO FORM AN AQUEOUS ADHESIVE FILM ON THE SURFACES OF THE CONTIGUOUS PARTICLES TO CAUSE THEM TO COHERE; AND DRYING SAID MASSES TO FORM COHERENT GRANULES, THE POSITIONING OF SAID INDIVIDUAL MASES RELATIVE TO SAID SUPPORTING SURFACE BEING FIXED FROM THE TIME OF THEIR FORMATION UNTIL THEY ARE DRIED WHEREBY ABRASION OF THE INDIVIDUAL MASSES OF PARTICLES OF SAID POWDERY MATERIAL IS PREVENTED.
Claim 2
Independent Claim
114 words
A METHOD OF FORMING GRANULES OF SUBSTANTIALLY UNIFORM SIZE FROM HEAT SENSITIVE, POWDERY, EDIBLE MATERIAL RENDERED ADHESIVE BY THE ACTION OF STEAM, WHICH COMPRISES: FORMING ON A SUPPORTING SURFACE SAID POWDERY MATERIAL WHILE DRY INTO INDIVIDUAL MASSES OF CONTIGUOUS PARTICLES, SAID MASSES BEING OF SUBSTANTIALLY UNIFORM SIZE; STEAMING THE DRY MASSES TO FORM AN AQUEOUS ADHESIVE FILM ON THE SURFACES OF THE CONTIGUOUS PARTICLES TO CAUSE THEM TO COHERE; AND DRYING SAID MASSES TO FORM COHERENT GRANULES, THE POSITIONING OF SAID INDIVIDUAL MASES RELATIVE TO SAID SUPPORTING SURFACE BEING FIXED FROM THE TIME OF THEIR FORMATION UNTIL THEY ARE DRIED WHEREBY ABRASION OF THE INDIVIDUAL MASSES OF PARTICLES OF SAID POWDERY MATERIAL IS PREVENTED.
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) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |