US3300360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of corrugated board
Assignee: Ingredion Inc
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Filing: 1963-10-21
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Granted: 1967-01-24
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Expires: 1983-10-21
Abstract
No abstract record available.
Inventors
- 👤 Robert H Williams
- 👤 Lawrence J Hickey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:31
CPC Classifications
C; C09; C09J; C09J103/00; C09J103/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
IN THE PROCESS OF PREPARING CORRUGATED PAPERBOARD BY ADHESIVELY BONDING AT LEAST ONE LINER TO THE TIPS OF THE CORRUGATIONS OF A CORRUGATED PAPER STRIP, THE STEPS WHICH COMPRISE APPLYING, AT AN ELEVATED TEMPERATURE TO THE PROTRUDING TIPS ON AT LEAST ONE SURFACE OF SAID CORRUGATED PAPER STRIP, AN ADHESIVE COMPRISING A HOT AQUEOUS HIGH SOLIDS DISPERSION OF A STARCH PRODUCT, SAID HOT AQUEOUS DISPERSION WHEN APPLIED BEING AT AN ELEVATED TEMPERATURE OF AT LEAST ABOUT 170*F.; SAID STARCH SOLIDS BEING IN A MAJOR PROPORTION OF THE TOTAL SOLIDS IN SAID DISPERSION BEING IN THE ORDER OF FROM ABOUT 32% TO 60% BY WEIGHT OF THE DISPERSION; SAID DISPERSION HAVING A TOTAL SOLIDS CONTENT OF AT LEAST 35%, BY WEIGHT; A VISCOSITY, WHEN MEASURED AT ABOUT 180*F., OF AT LEAST ABOUT 100 CENTIPOISES; AND A VISCOSITY, WHEN COOLED TO ABOUT 100*F., OF AT LEST ABOUT 300 CENTIPOISES; AND APPLYING AT LEAST ONE LINER TO THE ADHESIVE COATED TIPS OF SAID CORRUGATED STRIP, THE ADHESIVE BOND BETWEEN SAID LIER AND SAID CORRUGATED STRIP BEING FORMED DURING THE COOLING OF SAID ADHESIVE FROM ITS ELEVATED TEMPERATURE.
Claim 2
Dependent Claim
184 words
IN THE PROCESS OF PREPARING CORRUGATED PAPERBOARD BY ADHESIVELY BONDING AT LEAST ONE LINER TO THE TIPS OF THE CORRUGATIONS OF A CORRUGATED PAPER STRIP, THE STEPS WHICH COMPRISE APPLYING, AT AN ELEVATED TEMPERATURE TO THE PROTRUDING TIPS ON AT LEAST ONE SURFACE OF SAID CORRUGATED PAPER STRIP, AN ADHESIVE COMPRISING A HOT AQUEOUS HIGH SOLIDS DISPERSION OF A STARCH PRODUCT, SAID HOT AQUEOUS DISPERSION WHEN APPLIED BEING AT AN ELEVATED TEMPERATURE OF AT LEAST ABOUT 170*F.; SAID STARCH SOLIDS BEING IN A MAJOR PROPORTION OF THE TOTAL SOLIDS IN SAID DISPERSION BEING IN THE ORDER OF FROM ABOUT 32% TO 60% BY WEIGHT OF THE DISPERSION; SAID DISPERSION HAVING A TOTAL SOLIDS CONTENT OF AT LEAST 35%, BY WEIGHT; A VISCOSITY, WHEN MEASURED AT ABOUT 180*F., OF AT LEAST ABOUT 100 CENTIPOISES; AND A VISCOSITY, WHEN COOLED TO ABOUT 100*F., OF AT LEST ABOUT 300 CENTIPOISES; AND APPLYING AT LEAST ONE LINER TO THE ADHESIVE COATED TIPS OF SAID CORRUGATED STRIP, THE ADHESIVE BOND BETWEEN SAID LIER AND SAID CORRUGATED STRIP BEING FORMED DURING THE COOLING OF SAID ADHESIVE FROM ITS ELEVATED TEMPERATURE.
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |