US3313650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating composition and process for applying the same
Assignee: Southern Research Institute
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Filing: 1963-10-21
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Granted: 1967-04-11
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Expires: 1983-10-21
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Raeuber
- 👤 Edgar A Verchot
- 👤 Stanley E Mileski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:10
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/02; C23C22/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
THE PROCESS OF COATING A METAL SURFACE SELECTED FROM THE GROUP CONSISTING OF IRON, ALUMINUM AND ALLOYS THEREOF COMPRISING: (A) APPLYING TO SAID SURFACE A COAT OF A MIXTURE COMPRISING APPROXIMATELY 10 PARTS BY WEIGHT OF A METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF ZINC OXIDE, MAGNESIUM OXIDE, BISMUTH OXIDE AND MIXTURES THEREOF AND FROM 10 TO 14 PARTS BY WEIGHT OF A DIALKYL PHOSPHITE SELECTED FROM THE GROUP CONSISTING OF DIMETHYL HYDROGEN PHOSPHITE, DIETHYL HYDROGEN PHOSPHITE, DIPROPYL HYDROGEN PHOSPHITE, DIBUTYL HYDROGEN PHOSPHITE, BIS (2-ETHYLHEXYL) HYDROGEN PHOSPHITE AND MIXTURES THEREOF, (B) INITIALLY CURING SAID COAT IN A DAMP CONDITION FOR A PERIOD OF FROM 90 MINUTES TO 2 HOURS AT AMBIENT TEMPERATURE, AND THEN (C) CURING SAID COAT ON SAID SURFACE FOR A PERIOD OF 24 TO 48 HOURS AT AMBIENT TEMPERATURE.
Claim 2
Dependent Claim
133 words
THE PROCESS OF COATING A METAL SURFACE SELECTED FROM THE GROUP CONSISTING OF IRON, ALUMINUM AND ALLOYS THEREOF COMPRISING: (A) APPLYING TO SAID SURFACE A COAT OF A MIXTURE COMPRISING APPROXIMATELY 10 PARTS BY WEIGHT OF A METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF ZINC OXIDE, MAGNESIUM OXIDE, BISMUTH OXIDE AND MIXTURES THEREOF AND FROM 10 TO 14 PARTS BY WEIGHT OF A DIALKYL PHOSPHITE SELECTED FROM THE GROUP CONSISTING OF DIMETHYL HYDROGEN PHOSPHITE, DIETHYL HYDROGEN PHOSPHITE, DIPROPYL HYDROGEN PHOSPHITE, DIBUTYL HYDROGEN PHOSPHITE, BIS (2-ETHYLHEXYL) HYDROGEN PHOSPHITE AND MIXTURES THEREOF, (B) INITIALLY CURING SAID COAT IN A DAMP CONDITION FOR A PERIOD OF FROM 90 MINUTES TO 2 HOURS AT AMBIENT TEMPERATURE, AND THEN (C) CURING SAID COAT ON SAID SURFACE FOR A PERIOD OF 24 TO 48 HOURS AT AMBIENT TEMPERATURE.
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) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |