US2937105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of pasting by machine
Assignee: US Philips Corp
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Filing: 1956-05-24
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Granted: 1960-05-17
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Expires: 1976-05-24
Abstract
No abstract record available.
Inventors
- 👤 Cazemier Frits
- 👤 Moen Willem Hendrik Geert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:12
CPC Classifications
C; C09; C09J; C09J103/00; C09J103/02; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
AN ADHESIVE, PARTICULARLY ADAPTED, WHEN HEATED, FOR THE MANUFACTURE OF CORRUGATED PAPER BY CORRUGATED PAPER MAKING MACHINES, CONSISTING ESSENTIALLY OF AN ALKALI-FREE AQUEOUS SUSPENSION OF UNGELATINIZED STARCH, SAID STARCH BEING PRESENT IN A MAJOR PROPORTION BY WEIGHT, SAID SUSPENSION CONTAINING AS THE SUSPENSION AGENT A SOLUTION OF CARBOXY-METHYL CELLULOSE AND A WATER SOLUBLE ALUMINUM SALT IN AN AMOUNT SUFFICIENT TO INCREASE THE VISCOSITY OF THE CARBOXY-METHYL CELLULOSE SOLUTION BUT LESS THAN THE REQUIRED TO FLOCCULATE THE CARBOXY-METHYL CULLULOSE.
Claim 2
Dependent Claim
78 words
AN ADHESIVE, PARTICULARLY ADAPTED, WHEN HEATED, FOR THE MANUFACTURE OF CORRUGATED PAPER BY CORRUGATED PAPER MAKING MACHINES, CONSISTING ESSENTIALLY OF AN ALKALI-FREE AQUEOUS SUSPENSION OF UNGELATINIZED STARCH, SAID STARCH BEING PRESENT IN A MAJOR PROPORTION BY WEIGHT, SAID SUSPENSION CONTAINING AS THE SUSPENSION AGENT A SOLUTION OF CARBOXY-METHYL CELLULOSE AND A WATER SOLUBLE ALUMINUM SALT IN AN AMOUNT SUFFICIENT TO INCREASE THE VISCOSITY OF THE CARBOXY-METHYL CELLULOSE SOLUTION BUT LESS THAN THE REQUIRED TO FLOCCULATE THE CARBOXY-METHYL CULLULOSE.
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) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |