Patent US2214877A successfully refreshed from Google Patents.
Patent US2886541A successfully refreshed from Google Patents.
US2886541A
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US
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Method of preparing an adhesive which comprises reacting an amylaceous material, a phenol and an aldehyde
Assignee: Primary Products Ingredients Americas LLC
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Filing: 1955-06-08
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Granted: 1959-05-12
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Expires: 1975-06-08
Abstract
No abstract record available.
Inventors
- 👤 David P Langlois
- 👤 George C Pinney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:00
CPC Classifications
C; C09; C09J; C09J103/00; C09J103/02; C08; C08L; C08L2666/00; C08L2666/02; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1025; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24669; Y10T428/24694; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31964; Y10T428/31967
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
THE METHOD OF PREPARING A DEXTRIN BASE ADHESIVE WHICH COMPRISES PREPARING A SLURRY OF ABOUT 60 PARTS BY WEIGHT OF DEXTRIN AND ABOUT 6 PARTS OF RESORCINOL IN ABOUT 160 PARTS OF WATER, ADJUSTING THE PH OF THE SLURRY TO ABOUT 8.5 WITH SODIUM HYDROXIDE, HEATING THE SLURRY AT A TEMPERATURE OF ABOUT 185-212*F. FOR ABOUT 10 MINUTES AND THEN COOLING IT TO A TEMPERATURE OF ABOUT 100-115*F., ADDING ABOUT 3 PARTS OF PARATFORMALDEHYDE IN ABOUT 20 PARTS OF WATER, AND ALLOWING THE RESULTING MIXTURE OF RIPEIN FOR ABOUT 1/2 TO 1 HOUR.
Claim 2
Independent Claim
93 words
THE METHOD OF PREPARING A DEXTRIN BASE ADHESIVE WHICH COMPRISES PREPARING A SLURRY OF ABOUT 60 PARTS BY WEIGHT OF DEXTRIN AND ABOUT 6 PARTS OF RESORCINOL IN ABOUT 160 PARTS OF WATER, ADJUSTING THE PH OF THE SLURRY TO ABOUT 8.5 WITH SODIUM HYDROXIDE, HEATING THE SLURRY AT A TEMPERATURE OF ABOUT 185-212*F. FOR ABOUT 10 MINUTES AND THEN COOLING IT TO A TEMPERATURE OF ABOUT 100-115*F., ADDING ABOUT 3 PARTS OF PARATFORMALDEHYDE IN ABOUT 20 PARTS OF WATER, AND ALLOWING THE RESULTING MIXTURE OF RIPEIN FOR ABOUT 1/2 TO 1 HOUR.
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) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |