US2933406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protein and nonionic agent compositions
Assignee: Hexion Inc
•
Filing: 1957-09-11
•
Granted: 1960-04-19
•
Expires: 1977-09-11
Abstract
No abstract record available.
Inventors
- 👤 Harold K Salzberg
- 👤 Clifford J King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:20
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
IN MAKING A COATING AND FLIM FORMING COMPOSITION FOR USE IN AQUEOUS SOLUTION TO LEAVE NON DRYING A FLIM SUBSTANTIALLY FREE FROM MICROSCOPIC PINHOLES AND OTHER IMPERFECTIONS CAUSED BY RETAINED AIR, THE PROCESS WHICH COMPRISES MIXING AN ADHESIVE CONSISTING ESSENTIALLY OF ALKALI SOLUBLE PROTEIN IN DRY FORM CONTAINING NOT MORE THAN 15% OF WATER ON THE WEIGHT OF THE PROTEIN AND SELECTED FROM THE GROUP CONSISTING OF CASEIN, SOY PROTEIN, AND GELATINE WITH A NONIONIC SURFACTANT SERVING AS A BUBBLE RELEASE AGENT AND SELECTED FROM THE GROUP CONSISTING OF WATER- AND ETHER-SOLUBLE SURFACES ACTIVE ETHERS, ESTERS ETHER-ESTERS,AND ETHER-ALCHOLS IN THE PORTION OF 1-10 PARTS BY WEIGHT FOR 100 PARTS OF THE PROTEIN, AND MAINTAINING THE CONTACT BETWEEN THE PROTEIN ANS THE NONIONIC SURFACTANT AND CONTINUING THE MIXING IN DRY CONDITION UNTIL THE AGENT BECOMES IN PART NON-EXTRACTABLE FROM THE MIXTURE BY ETHER.
Claim 2
Dependent Claim
142 words
IN MAKING A COATING AND FLIM FORMING COMPOSITION FOR USE IN AQUEOUS SOLUTION TO LEAVE NON DRYING A FLIM SUBSTANTIALLY FREE FROM MICROSCOPIC PINHOLES AND OTHER IMPERFECTIONS CAUSED BY RETAINED AIR, THE PROCESS WHICH COMPRISES MIXING AN ADHESIVE CONSISTING ESSENTIALLY OF ALKALI SOLUBLE PROTEIN IN DRY FORM CONTAINING NOT MORE THAN 15% OF WATER ON THE WEIGHT OF THE PROTEIN AND SELECTED FROM THE GROUP CONSISTING OF CASEIN, SOY PROTEIN, AND GELATINE WITH A NONIONIC SURFACTANT SERVING AS A BUBBLE RELEASE AGENT AND SELECTED FROM THE GROUP CONSISTING OF WATER- AND ETHER-SOLUBLE SURFACES ACTIVE ETHERS, ESTERS ETHER-ESTERS,AND ETHER-ALCHOLS IN THE PORTION OF 1-10 PARTS BY WEIGHT FOR 100 PARTS OF THE PROTEIN, AND MAINTAINING THE CONTACT BETWEEN THE PROTEIN ANS THE NONIONIC SURFACTANT AND CONTINUING THE MIXING IN DRY CONDITION UNTIL THE AGENT BECOMES IN PART NON-EXTRACTABLE FROM THE MIXTURE BY ETHER.
References Cited (Backward Citations)
US2220700A
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US2695892A
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US2709689A
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US2776904A
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US2810655A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |