US3151996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive comoposition and process of making corrugated paperboard therewith
Assignee: Hercules Powder Co
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Filing: 1961-01-26
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Granted: 1964-10-06
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Expires: 1981-01-26
Abstract
No abstract record available.
Inventors
- 👤 Armand J Desmarais
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:46
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
64 words
AN IMPROVED ADHESIVE COMPOSITION FOR USE IN MAKING CORRUGATED PAPERBOARD WHICH CONSISTS ESSENTIALLY OF UNGELATINIZED STARCH, GELATINIZED HYDROXYALKYL STARCH, AN ALKALINE EARTH METAL HYDROXIDE, AND WATER, THE UNGELATINIZED STARCH BEING SUSPENDED IN THE WATER IN THE PRESENCE OF THE OTHER CONSTITUENTS, THE AMOUNTS OF GELATINIZED HYDROXYALKYL STARCH AND ALKALINE EARTH METAL HYDROXIDE BEING 2.84-24 AND 0.2-1.16 PARTS PER 100 PARTS OF UNGELATINIZED STARCH, RESPECTIVELY.
Claim 2
Dependent Claim
64 words
AN IMPROVED ADHESIVE COMPOSITION FOR USE IN MAKING CORRUGATED PAPERBOARD WHICH CONSISTS ESSENTIALLY OF UNGELATINIZED STARCH, GELATINIZED HYDROXYALKYL STARCH, AN ALKALINE EARTH METAL HYDROXIDE, AND WATER, THE UNGELATINIZED STARCH BEING SUSPENDED IN THE WATER IN THE PRESENCE OF THE OTHER CONSTITUENTS, THE AMOUNTS OF GELATINIZED HYDROXYALKYL STARCH AND ALKALINE EARTH METAL HYDROXIDE BEING 2.84-24 AND 0.2-1.16 PARTS PER 100 PARTS OF UNGELATINIZED STARCH, RESPECTIVELY.
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) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |