US2996405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of quick-setting proteincontaining coatings
Assignee: Eastman Kodak Co
•
Filing: 1956-07-05
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Granted: 1961-08-15
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Expires: 1976-07-05
Abstract
No abstract record available.
Inventors
- 👤 John H Van Campen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:54
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/053; Y; Y10; Y10S; Y10S430/00; Y10S430/136
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A METHOD OF APPLYING PROTEIN COATINGS TO SURFACES WHICH COMPRISES COATING OUT ONTO A SURFACE A SOLUTION IN WATER, AT A PH OF NOT MORE THAN 4,7, OF A WATER SOLUBLE PROTEIN OF AT LEAST 3% CONCENTRATION WITH QUICK SETTING ENABLER THEREIN, WHICH QUICK SETTING ENABLER CONSISTS OF 5-20%, BASED ON THE WEIGHT OF THE PROTEIN, A WATER SOLUBLE STYRENE-MALEAMIC ACID COPOLYMER, AND IMMEDIATELY FUMING THE RESULTING COATING WITH GASEOUS AMMONIA WHEREBY RAPID SETTING OF THE COATING IS OBTAINED.
Claim 2
Independent Claim
79 words
A METHOD OF APPLYING PROTEIN COATINGS TO SURFACES WHICH COMPRISES COATING OUT ONTO A SURFACE A SOLUTION IN WATER, AT A PH OF NOT MORE THAN 4,7, OF A WATER SOLUBLE PROTEIN OF AT LEAST 3% CONCENTRATION WITH QUICK SETTING ENABLER THEREIN, WHICH QUICK SETTING ENABLER CONSISTS OF 5-20%, BASED ON THE WEIGHT OF THE PROTEIN, A WATER SOLUBLE STYRENE-MALEAMIC ACID COPOLYMER, AND IMMEDIATELY FUMING THE RESULTING COATING WITH GASEOUS AMMONIA WHEREBY RAPID SETTING OF THE COATING IS OBTAINED.
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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) | 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 |