US2676942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion-resistant coating
Assignee: United States Department of the Navy
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Filing: 1952-08-05
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Granted: 1954-04-27
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Expires: 1972-08-05
Abstract
No abstract record available.
Inventors
- 👤 Alfred L Glass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:11
CPC Classifications
C; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/06; C08; C08K; C08K3/00; C08K3/18; C08K3/24; C08K5/00; C08K5/01; C08K5/04; C08K5/07; C08K5/10; C08K5/11; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L71/00; C08L71/02; C08L33/00; C08L33/04; C08L33/06; C08L33/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
99 words
AN ANTI-CORROSION COATING COMPOSITION COMPRISING 100 TO 102 PARTS OF A COPOLYMER OF VINYL CHLORIDE, VINYL ACETATE AND MALEIC ACID WHEREIN THE VINYL CHLORIDE FORMS 86%, THE VINYL ACETATE 13%, AND THE MALEIC ACID 1% OF THE COPOLYMER, 40 TO 42 PARTS OF A METHACRYLATE POLYMER SELECTED FROM THE GROUP CONSISTING OF N-BUTYL METHACRYLATE POLYMER, ISOBUTYL METHACRYLATE POLYMER AND N-PROPYL METHACRYLATE POLYMER, 33 TO 35 PARTS OF A PLASTICIZING MATERIAL SELECTED FROM THE GROUP CONSISTING OF THE POLYETHYLENE GLYCOL-DI-2-ETHYLHEXOATES AND TRI-2-ETHYL-HEXYL-PHOSPHATE, AND 5 TO 7 PARTS OF ZINC POTASSIUM BASIC CHROMATE, ALL IN A SOLUTION OF LOW BOILING SOLVENTS.
References Cited (Backward Citations)
US2391621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |