US3600482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a mat of fibrous gelatin
Assignee: Monsanto Research Corp
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Filing: 1970-01-15
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Granted: 1971-08-17
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Expires: 1990-01-15
Abstract
Abstract A PROCESS FOR PREPARING LIGHT, POROUS MATS OF GELATIN FIBERS WHICH COMPRISES PRODUCING A LOW-DENSITY FOAM FROM A 3-25% GELATIN SOLUTION CONTAINING A SURFACTANT, BRINGING SAID FOAM TO A TEMPERATURE AT WHICH GELATION OCCURS, DRYING SAID FOAM, AND CRUSHING THE MEMBRANES OF SAID FOAM. THE MATS ARE USEFUL PACKAGING AND INSULATING MATERIALS, FILTERS AND THERMOPLASTIC ADHESIVES.
Inventors
- 👤 Ival O Salyer
- 👤 James L Schwendeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:32
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/30; C08L; C08L89/00; C08L89/04; C08L89/06; C08J2389/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-16 | 1975-02-15 | 1975-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-16 | 1979-02-15 | 1979-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-16 | 1983-02-15 | 1983-08-17 | $7700.00 | Window Closed / Lapsed |