Patent US2662865A successfully refreshed from Google Patents.
US2662865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating composition comprising a polyamide and a phenol-formaldehyde resin dissolved in an aqueous alcohol solution
Assignee: Sherwin Williams Co
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Filing: 1950-05-31
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Granted: 1953-12-15
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Expires: 1970-05-31
Abstract
No abstract record available.
Inventors
- 👤 David N Beauchamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:02
CPC Classifications
C; C09; C09D; C09D177/00; C09D177/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
158 words
A COMPOSITION OF MATTER SUITABLE FOR USE IN THE FORMULATION OF CLEAR AND PIGMENTED COATING COMPOSITIONS COMPRISING A MIXTURE OF (A) A POLYMERIC AMIDE SOLUTION CONSISTING ESSENTIALLY OF A MIXTURE OF (1) A SOLUTION OF A POLYMERIC AMIDE OF AN ALKYLENE DIAMINE OF FROM 2 TO 6 CARBON ATOMS AND A POLYBASIC SATURATED ALIPHATIC ACID OF FROM 2 TO 8 CARBON ATOMS IN AN AQUEOUS SOLUTION OF A WATER SOLUBLE ALIPHATIC ALCOHOL AND CONTAINING FROM 10% TO 20% SOLIDS AND (2) A STABILIZER SOLUTION AMOUNTING TO FROM 5% TO 30% BY WEIGHT OF THE POLYMERIC AMIDE SOLUTION, SAID STABILIZER BEING A NORMALLY LIQUID HALOGENATED SATURATED ALIPHATIC HYDROCARBON OF FROM 1 TO 7 CARBON ATOMS; AND CONTAINING A PLURALITY OF HALOGEN ATOMS; AND (B) A 40%-60% AQUEOUS SOLUTION OF A PARTIALLY CURED, ACID CURING PHENOL ALDEHYDE RESIN, SAID COMPONENTS (A) AND (B) BEING IN INTERMIXTURE IN A WEIGHT RATIO OF FROM 40:60 TO 60:40, RESPECTIVELY, CALCULATED AS THE SOLUTIONS.
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) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |