US2870034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminating adhesive and method of producing the same
Assignee: American Marietta Co
•
Filing: 1957-04-01
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Granted: 1959-01-20
•
Expires: 1977-04-01
Abstract
No abstract record available.
Inventors
- 👤 Norman J Sheeran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:19
CPC Classifications
C; C09; C09J; C09J189/00; C09J189/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
THE METHOD OF MAKING A HIGH SPEED, HEAT SETTABLE GLUE FOR PAPER-TO-PAPER AND PAPER-TO-WOOD LAMINATING, COMPRISING: FORMING AN AQUEOUS MIXTURE OF A SUBSTANTIALLY UNDENATURED SPRAY DRIED SOLUBLE BLOOD AND CHINA CLAY IN WHICH THE CLAY VARIES BETWEEN ABOUT 30% AND ABOUT 90% OF THE WEIGHT OF THE BLOOD SOLIDS, AND THE WATER VARIES BETWEEN ABOUT 110% AND ABOUT 250% OF THE WEIGHT OF THE BLOOD SOLIDS; STIRRING SAID MIXTURE TO UNIFORM CONSISTENCY WHILE SIMULTANEOUSLY ABATING FOAMING ADJUSTING THE PH OF SAID MIXTURE, BY THE ADDITION OF AN ALKALINE MATERIAL SELECTED FROM THE GROUP CONSISTING OF SODIUM SILICATE, SODIUM HYDROXIDE, AND TRISODIUM PHOSPHATE AND MIXTURES THEREOF, TO BETWEEN ABOUT 8 AND ABOUT 10.3 TO PRODUCE A GLUE HAVING A PROTRACTED POTLIFE; AND MAINTAINING THE GLUE TEMPERATURE AT APPROXIMATE ROOM TEMPERATURE AT ALL TIMES UNTIL SPREAD BETWEEN LAMINA TO BE BONDED.
Claim 2
Independent Claim
139 words
THE METHOD OF MAKING A HIGH SPEED, HEAT SETTABLE GLUE FOR PAPER-TO-PAPER AND PAPER-TO-WOOD LAMINATING, COMPRISING: FORMING AN AQUEOUS MIXTURE OF A SUBSTANTIALLY UNDENATURED SPRAY DRIED SOLUBLE BLOOD AND CHINA CLAY IN WHICH THE CLAY VARIES BETWEEN ABOUT 30% AND ABOUT 90% OF THE WEIGHT OF THE BLOOD SOLIDS, AND THE WATER VARIES BETWEEN ABOUT 110% AND ABOUT 250% OF THE WEIGHT OF THE BLOOD SOLIDS; STIRRING SAID MIXTURE TO UNIFORM CONSISTENCY WHILE SIMULTANEOUSLY ABATING FOAMING ADJUSTING THE PH OF SAID MIXTURE, BY THE ADDITION OF AN ALKALINE MATERIAL SELECTED FROM THE GROUP CONSISTING OF SODIUM SILICATE, SODIUM HYDROXIDE, AND TRISODIUM PHOSPHATE AND MIXTURES THEREOF, TO BETWEEN ABOUT 8 AND ABOUT 10.3 TO PRODUCE A GLUE HAVING A PROTRACTED POTLIFE; AND MAINTAINING THE GLUE TEMPERATURE AT APPROXIMATE ROOM TEMPERATURE AT ALL TIMES UNTIL SPREAD BETWEEN LAMINA TO BE BONDED.
References Cited (Backward Citations)
US1976436A
Cited
US2400541A
Cited
US2350953A
Cited
US2413007A
Cited
US2620280A
Cited
US2524309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |