US2592510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive composition and process of preparing the same
Assignee: Wyeth Holdings LLC
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Filing: 1950-07-21
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Granted: 1952-04-08
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Expires: 1970-07-21
Abstract
No abstract record available.
Inventors
- 👤 George S Casebolt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:25
CPC Classifications
C; C09; C09J; C09J131/00; C09J131/02; C09J131/04; C09J161/00; C09J161/20; C09J161/22; C09J161/24; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/04; C08L2666/14; C08L61/00; C08L61/20; C08L61/22; C08L61/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A QUICK-CLAMP, ACID-HARDENABLE, ADHESIVE COMPOSITION, CAPABLE OF SETTING AT ROOM TEMPERATURE, COMPRISING AN AQUEOUS EMULSION OF A CODRIED MIXTURE OF AN UREA-FORMALDEHYUDE RESIN SYRUP HAVING A MOL RATIO OF 1:1.2-1:291, RESPECTIVELY, AND AN AQUEOUS EMULSION OF POLYVINYL ACETATE, SAID COMPOSITION HAVING A PH OF AT LEAST 7.
Claim 2
Dependent Claim
47 words
A QUICK-CLAMP, ACID-HARDENABLE, ADHESIVE COMPOSITION, CAPABLE OF SETTING AT ROOM TEMPERATURE, COMPRISING AN AQUEOUS EMULSION OF A CODRIED MIXTURE OF AN UREA-FORMALDEHYUDE RESIN SYRUP HAVING A MOL RATIO OF 1:1.2-1:291, RESPECTIVELY, AND AN AQUEOUS EMULSION OF POLYVINYL ACETATE, SAID COMPOSITION HAVING A PH OF AT LEAST 7.
References Cited (Backward Citations)
US2187383A
Cited
US2312210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |