US2533911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Enamel and method of preparing the same
Assignee: Continental Can Co Inc
•
Filing: 1945-02-10
•
Granted: 1950-12-12
•
Expires: 1965-02-10
Abstract
No abstract record available.
Inventors
- 👤 Henry A Bates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:39
CPC Classifications
C; C09; C09D; C09D191/00; C09D191/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
THE METHOD OF PREPARING AN ADHERENT OLEIORESINOUS BAKING LACQUER COMPOSITION FOR COATING METAL WHICH COMPRISES COOKING 100 PARTS BY WEIGHT OF AN OIL-SOLUBLE VARNISH RESIN WITH SUBSTANTIALLY 100 TO 240 PARTS OF A DRYING OIL HAVING AN AVERAGE OF AT LEAST TWO DOUBLE BONDSIN AN ACID RADICAL, SAID VARNISH RESIN HAVING AN ACID NUMER OF ABOUT 12 TO 18 AND SAID DRYING OIL HAVING AN ACID NUMBER OF AT LEAST 1, IN THE PRESENCE OF ZINC OXIDE IN TEH PROPORTION OF ABOUT 0.5% TO 2.5% OF THE COMBINED WEIGHT OF THE RESIN AND OIL, AT LEAST UNTIL THE ZINC OXIDE HAS REACTED, TERMINATING THE COOKING WHEN THE VISCOSITY IS SUBSTANTIALLY 8 TO 11 SECOND WITH A #3 ZAHN CUP, AND WHILE THE PRODUCT IS STILL SOLUBLE IN MINERAL SPIRITS, AND THEN THINNING WITH A VOLATILE SOLVENT.
Claim 2
Independent Claim
136 words
THE METHOD OF PREPARING AN ADHERENT OLEIORESINOUS BAKING LACQUER COMPOSITION FOR COATING METAL WHICH COMPRISES COOKING 100 PARTS BY WEIGHT OF AN OIL-SOLUBLE VARNISH RESIN WITH SUBSTANTIALLY 100 TO 240 PARTS OF A DRYING OIL HAVING AN AVERAGE OF AT LEAST TWO DOUBLE BONDSIN AN ACID RADICAL, SAID VARNISH RESIN HAVING AN ACID NUMER OF ABOUT 12 TO 18 AND SAID DRYING OIL HAVING AN ACID NUMBER OF AT LEAST 1, IN THE PRESENCE OF ZINC OXIDE IN TEH PROPORTION OF ABOUT 0.5% TO 2.5% OF THE COMBINED WEIGHT OF THE RESIN AND OIL, AT LEAST UNTIL THE ZINC OXIDE HAS REACTED, TERMINATING THE COOKING WHEN THE VISCOSITY IS SUBSTANTIALLY 8 TO 11 SECOND WITH A #3 ZAHN CUP, AND WHILE THE PRODUCT IS STILL SOLUBLE IN MINERAL SPIRITS, AND THEN THINNING WITH A VOLATILE SOLVENT.
References Cited (Backward Citations)
US2152633A
Cited
US2207997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |