US2581111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protein adhesives containing dicyandiamide compounds as fluidizing agents
Assignee: Wyeth Holdings LLC
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Filing: 1948-09-22
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Granted: 1952-01-01
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Expires: 1968-09-22
Abstract
No abstract record available.
Inventors
- 👤 Chester G Landes
- 👤 Studeny John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:21
CPC Classifications
C; C09; C09J; C09J189/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
AN AQUEOUS ADHESIVE COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 5 TO 35 PERCENT BY WEIGHT OF AN ALKALI-SOLUBILIZED PROTEIN DISPERSED IN ABOUT 95 TO 65 PERCENT OF WATER TOGETHER WITH FROM 5 TO 30 PERCENT, BASED ON THE DRY WEIGHT OF SAID PROTEIN, OF A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
48 words
AN AQUEOUS ADHESIVE COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 5 TO 35 PERCENT BY WEIGHT OF AN ALKALI-SOLUBILIZED PROTEIN DISPERSED IN ABOUT 95 TO 65 PERCENT OF WATER TOGETHER WITH FROM 5 TO 30 PERCENT, BASED ON THE DRY WEIGHT OF SAID PROTEIN, OF A COMPOUND OF THE FORMULA
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) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |