Patent US2994615A successfully refreshed from Google Patents.
US2994615A
Expired / Lapsed
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Liquid laundry starch
Assignee: Primary Products Ingredients Americas LLC
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Filing: 1957-10-09
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Granted: 1961-08-01
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Expires: 1977-10-09
Abstract
No abstract record available.
Inventors
- 👤 John W Mcdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:30
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/01; D06M15/03; D06M15/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A SCORCH-RESISTANT FREEZE-THAW STABLE LIQUID LAUNDRY STARCH COMPOSITION THAT CONSISTS ESSENTIALLY OF AN AQUEOUS STARCH PASTE OF ABOUT 5% TO ABOUT 15% OF STARCH BY WEIGHT AND DISSOLVED THEREIN AS STABILIZING INGREDIENT ABOUT 1% TO ABOUT 4% (BY WEIGHT OF THE PASTE) OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF BORIC ACIDS, WATERSOLUBLE SALTS OF BORIC ACIDS AND MIXTURES THEREOF, SAID COMPOSITION HAVING A PH WITHIN THE RANGE OF ABOUT 7 TO 10.
Claim 2
Dependent Claim
74 words
A SCORCH-RESISTANT FREEZE-THAW STABLE LIQUID LAUNDRY STARCH COMPOSITION THAT CONSISTS ESSENTIALLY OF AN AQUEOUS STARCH PASTE OF ABOUT 5% TO ABOUT 15% OF STARCH BY WEIGHT AND DISSOLVED THEREIN AS STABILIZING INGREDIENT ABOUT 1% TO ABOUT 4% (BY WEIGHT OF THE PASTE) OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF BORIC ACIDS, WATERSOLUBLE SALTS OF BORIC ACIDS AND MIXTURES THEREOF, SAID COMPOSITION HAVING A PH WITHIN THE RANGE OF ABOUT 7 TO 10.
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) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |