US2831853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of sizing
Assignee: Standard Brands Inc
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Filing: 1953-10-07
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Granted: 1958-04-22
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Expires: 1973-10-07
Abstract
No abstract record available.
Inventors
- 👤 Kenneth P Satterly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:19
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/01; D06M15/03; D06M15/11; C; C08; C08B; C08B31/00; C08B31/02; C08B31/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
73 words
A METHOD OF TREATING STRACH TO CONDUCTION IT FOR USE AS A SIZING MATERIAL COMPRISING HEATING A WATER SLURRY OF STARCH HAVING A DENSITY BETWEEN 5* AND 24* BE TO A TEMPERATURE IN A RANGE ABOVE ROOM TEMPERATURE ADMIXED WITH GLYRONIC ACID IN THE PROPORTION OF 21/2% TO 50% OF ACID BASED ON THE WEIGHT OF THE DRY STARCH SUBSTANCE, AND CONTINUING THE HEATING, OF THE MIXTURE FOR AT LEAST ABOUT TWO HOURS.
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) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |