US2840476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for coating foodstuffs and article thereby obtained
Assignee: Dow Chemical Co
•
Filing: 1957-08-29
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Granted: 1958-06-24
•
Expires: 1977-08-29
Abstract
No abstract record available.
Inventors
- 👤 James R Wirt
- 👤 Harold C Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:52
CPC Classifications
A; A23; A23B; A23B4/00; A23B4/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
METHOD FOR COATING ARTICLES OF FOOD WHICH COMPRISES THE STEPS OF (1) APPLYING TO THE ARTICLE, WHILE IT IS BEING MAINTAINED AT A RELATIVELY LOWER TEMPERATURE, A THIN ENVELOPING FILM OF A COATING FROM A COMPOSITION IN MOLTEN FORM COMPRISING ESSENTIALLY (A) FROM 19 TO 70 PERCENT BY WEIGHT OF THE COMPOSITION OF AN ETHYL CELLULOSE HAVING AN ETHOXYL CONTENT BETWEEN ABOUT 47.5 AND 50 PERCENT BY WEIGHT AND A VISCOSITY BETWEEN ABOUT 6 AND 200 CENTIPOISED AS DETERMINED IN A 5 PERCENT BY WEIGHT SOLUTION THEREOF IN AN 80:20 MIXTURE, BY VOLUME, OF TOLUENE AND ETHANOL, (B) BETWEEN ABOUT 15 AND 65 PERCENT OF A REFINED MINERAL OIL HAVING A SAYBOLT VISCOSITY AT
Claim 2
Dependent Claim
114 words
METHOD FOR COATING ARTICLES OF FOOD WHICH COMPRISES THE STEPS OF (1) APPLYING TO THE ARTICLE, WHILE IT IS BEING MAINTAINED AT A RELATIVELY LOWER TEMPERATURE, A THIN ENVELOPING FILM OF A COATING FROM A COMPOSITION IN MOLTEN FORM COMPRISING ESSENTIALLY (A) FROM 19 TO 70 PERCENT BY WEIGHT OF THE COMPOSITION OF AN ETHYL CELLULOSE HAVING AN ETHOXYL CONTENT BETWEEN ABOUT 47.5 AND 50 PERCENT BY WEIGHT AND A VISCOSITY BETWEEN ABOUT 6 AND 200 CENTIPOISED AS DETERMINED IN A 5 PERCENT BY WEIGHT SOLUTION THEREOF IN AN 80:20 MIXTURE, BY VOLUME, OF TOLUENE AND ETHANOL, (B) BETWEEN ABOUT 15 AND 65 PERCENT OF A REFINED MINERAL OIL HAVING A SAYBOLT VISCOSITY AT
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |