US2507665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective coating compositions
Assignee: Brogdex Co
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Filing: 1947-10-30
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Granted: 1950-05-16
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Expires: 1967-10-30
Abstract
No abstract record available.
Inventors
- 👤 Stoddard I Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:38
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A PROTECTIVE COATING COMPOSITION HAVING A FIRM-FORMING SYNTHETIC RESIN BASE WHICH CONSISTS SUBSTANTIALLY OF A MIXTURE OF AN OIL SOLUBLE, HEATHARDENING PHENOL-FORMALDEHYDE RESIN WITH POLYMERIZED STYRENE AND TERPENE RESINS IN RESPECTIVELY SMALLER PROPORTIONS BUT, TOGETHER, CONSTITUTING A LARGE PART OF THE MIXTURE, SAID MIXTURE BEING DISSOLVED IN A READILY VOLATILIZABLE MIXED SOLVENT COMPRISING BOTH ALIPHATIC AND AROMATIC HYDROCARBON SOLVENTS, ALL SAID RESINS BEING HARD AND RELATIVELY HIGH-MELTING, AND SAID COMPOSITION BEING SUBSTANTIALLY FREE OF WAX-LIKE MATERIAL AND NON-VOLATILE OILY MATTER.
Claim 2
Dependent Claim
80 words
A PROTECTIVE COATING COMPOSITION HAVING A FIRM-FORMING SYNTHETIC RESIN BASE WHICH CONSISTS SUBSTANTIALLY OF A MIXTURE OF AN OIL SOLUBLE, HEATHARDENING PHENOL-FORMALDEHYDE RESIN WITH POLYMERIZED STYRENE AND TERPENE RESINS IN RESPECTIVELY SMALLER PROPORTIONS BUT, TOGETHER, CONSTITUTING A LARGE PART OF THE MIXTURE, SAID MIXTURE BEING DISSOLVED IN A READILY VOLATILIZABLE MIXED SOLVENT COMPRISING BOTH ALIPHATIC AND AROMATIC HYDROCARBON SOLVENTS, ALL SAID RESINS BEING HARD AND RELATIVELY HIGH-MELTING, AND SAID COMPOSITION BEING SUBSTANTIALLY FREE OF WAX-LIKE MATERIAL AND NON-VOLATILE OILY MATTER.
References Cited (Backward Citations)
US2163637A
Cited
GB549303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-15 | 1953-11-14 | 1954-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-15 | 1957-11-14 | 1958-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-15 | 1961-11-14 | 1962-05-16 | $7700.00 | Window Closed / Lapsed |