US2885374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amylaceous coating composition containing hexamethylenetetramine, paper product coated therewith, and method of making same
Assignee: Rohm and Haas Co
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Filing: 1955-12-21
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Granted: 1959-05-05
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Expires: 1975-12-21
Abstract
No abstract record available.
Inventors
- 👤 Edward J Sweeney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:19
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/54; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31895
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
AN AQUEOUS COATING COMPOSITION COMPRISING A DISPERSION IN WATER OF A FINELY DIVIDED PIGEMENTARY MATERIAL AND, FOR EACH 100 PARTS OF PIGMENTARY MATERIAL, 8 TO 25 PARTS BY WEIGHT OF A BINDER COMPRISING AN AMYLACEOUS MATERIAL AND FROM ABOUT 5 TO ABOUT 20 PARTS BY WEIGHT OF HEXAMETHYLENETETRAMINE, THE AMYLACEOUS MATERIAL BEING SELECTED FROM THE GROUP CONSISTING OF STARCH AND STARCH ESTHERS IN WHICH THE STARCH IS COMBINED WITH 1% TO 5% ON ITS WEIGHT OF ETHYLENE OXIDE.
Claim 2
Dependent Claim
78 words
AN AQUEOUS COATING COMPOSITION COMPRISING A DISPERSION IN WATER OF A FINELY DIVIDED PIGEMENTARY MATERIAL AND, FOR EACH 100 PARTS OF PIGMENTARY MATERIAL, 8 TO 25 PARTS BY WEIGHT OF A BINDER COMPRISING AN AMYLACEOUS MATERIAL AND FROM ABOUT 5 TO ABOUT 20 PARTS BY WEIGHT OF HEXAMETHYLENETETRAMINE, THE AMYLACEOUS MATERIAL BEING SELECTED FROM THE GROUP CONSISTING OF STARCH AND STARCH ESTHERS IN WHICH THE STARCH IS COMBINED WITH 1% TO 5% ON ITS WEIGHT OF ETHYLENE OXIDE.
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) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |