US2996462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive composition comprising gelatinized starch, ungelatinized starch, and polyvinyl acetate
Assignee: Stein Hall and Co Inc
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Filing: 1958-04-28
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Granted: 1961-08-15
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Expires: 1978-04-28
Abstract
No abstract record available.
Inventors
- 👤 Albert R Robbins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:49
CPC Classifications
C; C09; C09J; C09J103/00; C09J103/02; C09J131/00; C09J131/02; C09J131/04; C08; C08L; C08L2205/00; C08L2205/02; C08L2666/00; C08L2666/02; C08L2666/26; C08L3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
AN ADHESIVE COMPOSITION FOR LAMINATED PAPER PRODUCTS WHICH COMPRISES ABOUT 14% TO ABOUT 25% BY WEIGHT OF A MIXTURE OF GELATINIZED STARCH AND UNGELATINIZED STARCH, THE RATIO OF GELATINIZED STARCH TO UNGELATINIZED STARCH VARYING FROM ABOUT 17:3 PARTS BY WEIGHT, RESPECTIVELY, TO ABOUT 1:12 PARTS BY WEIGHT RESPECTIVELY, AND ABOUT .5 TO 10% BY WEIGHT OF POLYVINYL ACETATE, THE REMAINDER AMOUNT BY WEIGHT BEING COMPOSED SUBSTANTIALLY OF WATER.
Claim 2
Dependent Claim
68 words
AN ADHESIVE COMPOSITION FOR LAMINATED PAPER PRODUCTS WHICH COMPRISES ABOUT 14% TO ABOUT 25% BY WEIGHT OF A MIXTURE OF GELATINIZED STARCH AND UNGELATINIZED STARCH, THE RATIO OF GELATINIZED STARCH TO UNGELATINIZED STARCH VARYING FROM ABOUT 17:3 PARTS BY WEIGHT, RESPECTIVELY, TO ABOUT 1:12 PARTS BY WEIGHT RESPECTIVELY, AND ABOUT .5 TO 10% BY WEIGHT OF POLYVINYL ACETATE, THE REMAINDER AMOUNT BY WEIGHT BEING COMPOSED SUBSTANTIALLY OF WATER.
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) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |