US2824807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray drying process
Assignee: General Foods Corp
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Filing: 1955-02-17
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Granted: 1958-02-25
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Expires: 1975-02-17
Abstract
No abstract record available.
Inventors
- 👤 Laster Richard
- 👤 Harvey S Bower
- 👤 Doumas Menelaos
- 👤 Huste Arno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:32
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/48; A61K9/50; A61K9/14; A61K9/16; B; B01; B01D; B01D1/00; B01D1/16; B01D1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
IN A PROCESS OF SPRAY DRYING A GELATIN SOLUTION, THE IMPROVEMENT COMPRISING THE STEP OF ATOMIZING THE SOLUTION INTO A COOL AIR ZONE PRIOR TO INTRODUCTION OF THE ATOMIZED SOLUTION INTO A DRYING ZONE.
Claim 2
Dependent Claim
34 words
IN A PROCESS OF SPRAY DRYING A GELATIN SOLUTION, THE IMPROVEMENT COMPRISING THE STEP OF ATOMIZING THE SOLUTION INTO A COOL AIR ZONE PRIOR TO INTRODUCTION OF THE ATOMIZED SOLUTION INTO A DRYING ZONE.
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) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |