Patent US1864317A successfully refreshed from Google Patents.
US2647892A
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Antioffset powder and process for preparing same
Assignee: Oxy Dry Sprayer Corp
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Filing: 1950-07-11
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Granted: 1953-08-04
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Expires: 1970-07-11
Abstract
No abstract record available.
Inventors
- 👤 Brie Laurent J La
- 👤 James E Fenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:37
CPC Classifications
B; B41; B41M; B41M7/00; B41M7/02; C; C08; C08L; C08L3/00; C08L3/02; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31971
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
88 words
A PROCESS OF PREPARING A STARCH PRODUCT WHICH COMPRISES TREATING STARCH PARTICLES WITH FROM ABOUT 0.03% TO ABOUT 0.15% OF A LOW VISCOSITY THERMOSETTING POLYMETHYLSILOXANE RESIN DISSOLVED IN AN INERT, LOW-VISCOSITY SOLVENT CONTAINING A METALLIC SALT CATALYST AMOUNTING TO ABOUT 1.4% TO 3% BY WEIGHT OF SAID RESIN, DISTRIBUTING SAID RESIN SOLUTION ON THE STARCH PARTICLES, INSOLUBILIZING THE RESIN BY PROLONGED HEATING, DISTRIBUTING A NON-CAKING AGENT SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM CARBONATE AND TRICALCIUM PHOSPHATE ON SAID COATED PARTICLES AND BOLTING SAID COATED, HEAT TREATED PARTICLES.
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) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |