US3081184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for stabilizing viscosity of composite starch adhesives pastes
Assignee: Minerals and Chemicals Philipp Corp
•
Filing: 1958-11-21
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Granted: 1963-03-12
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Expires: 1978-11-21
Abstract
No abstract record available.
Inventors
- 👤 Hugh M Mosher
- 👤 William J Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:41
CPC Classifications
D; D21; D21H; D21H27/00; D21H27/30; D21H27/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A COMPOSITE STARCH ADHESIVE PASTE HAVING IMPROVED VISCOSITY CHARACTERISTICS WHICH COMPRISES WATER, STARCH, AGGLOMERATES OF A CLAY SELECTED FROM THE GROUP CONSISTING OF COLLOIDAL ATTAPULGITE CLAY AND COLLOIDAL SEPIOLITE CLAY AND MIXTURES THEREOF, IN WHICH A SMALL PERCENTAGE OF THE STARCH IS COOKED STARCH WHICH ACTS AS A CARRIER FOR THE REMAINDER OF THE STARCH, WHICH IS RAW, SAID CLAY AGGLOMERATES BEING PRESENT IN A QUANTITY LESS THAN THAT OF SAID COOKED STARCH AND IN AMOUNT SUCH THAT WHEN SAID PASTE IS PUMPED THE NORMAL TENDENCY OF THE VISCOSITY OF SAID PASTE TO DECREASE PROGRESSIVELY IS COUNTERBALANCED BY THE TENDENCY OF THE VISCOSITY OF SAID PASTE TO INCREASE PROGRESSIVELY AS A RESULT OF THE DISPERSION IN THE WATER OF SAID CLAY AGGLOMERATES INTO ULTIMATE COLLOIDALLY DIMENSIONED CLAY PARTICLES COMPOSING SAID AGGLOMERATES.
Claim 2
Dependent Claim
131 words
A COMPOSITE STARCH ADHESIVE PASTE HAVING IMPROVED VISCOSITY CHARACTERISTICS WHICH COMPRISES WATER, STARCH, AGGLOMERATES OF A CLAY SELECTED FROM THE GROUP CONSISTING OF COLLOIDAL ATTAPULGITE CLAY AND COLLOIDAL SEPIOLITE CLAY AND MIXTURES THEREOF, IN WHICH A SMALL PERCENTAGE OF THE STARCH IS COOKED STARCH WHICH ACTS AS A CARRIER FOR THE REMAINDER OF THE STARCH, WHICH IS RAW, SAID CLAY AGGLOMERATES BEING PRESENT IN A QUANTITY LESS THAN THAT OF SAID COOKED STARCH AND IN AMOUNT SUCH THAT WHEN SAID PASTE IS PUMPED THE NORMAL TENDENCY OF THE VISCOSITY OF SAID PASTE TO DECREASE PROGRESSIVELY IS COUNTERBALANCED BY THE TENDENCY OF THE VISCOSITY OF SAID PASTE TO INCREASE PROGRESSIVELY AS A RESULT OF THE DISPERSION IN THE WATER OF SAID CLAY AGGLOMERATES INTO ULTIMATE COLLOIDALLY DIMENSIONED CLAY PARTICLES COMPOSING SAID AGGLOMERATES.
References Cited (Backward Citations)
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US2641557A
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US2699432A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |