US2956902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Primer coating composition containing a polymer predominately of vinyl acetate
Assignee: EIDP Inc
•
Filing: 1957-04-30
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Granted: 1960-10-18
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Expires: 1977-04-30
Abstract
No abstract record available.
Inventors
- 👤 Mortimer Greif
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:24
CPC Classifications
C; C09; C09D; C09D131/00; C09D131/02; C09D131/04; C09D133/00; C09D133/04; C09D133/06; C09D133/10; C09D133/12; C09D167/00; C09D167/08; C08; C08L; C08L61/00; C08L61/20; C08L61/32; C08L63/00; C08L67/00; C08L67/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31522; Y10T428/31678; Y10T428/31681; Y10T428/31688; Y10T428/31692; Y10T428/31696; Y10T428/31855; Y10T428/31859; Y10T428/31909; Y10T428/31913; Y10T428/3192
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
91 words
AN ARTICLE HAVING A MULTI-LAYER FINISHING SYSTEM WHICH COMPRISES AN UNDERCOAT AND A SUPERPOSED DRIED TOPCOAT OF METHYL METHACRYLATE LACQUER IN ADHERENT CONTACT THEREWITH, SAID UNDERCOAT COMPRISING PIGMENT AND A RESIN BINDER HAVING AS ESSENTIAL CONSTITUENTS OIL MODIFIED ALKYD RESIN, AMINO-ALDEHYDE RESIN AND ABOUT FROM 1 TO 50% BY WEIGHT OF AT LEAST ONE POLYMER OF VINYL ACETATE CONTAINING AT LEAST ABOUT 60% BY WEIGHT OF POLYMERIZED VINYL ACETATE SAID OIL MODIFIED ALKYD RESIN AND SAID AMINO-ALDEHYDE RESIN BEING PRESENT IN A WEIGHT RATIO OF ABOUT FROM 95:5 TO 60:40, RESPECTIVELY.
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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) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |