Patent US2872721A successfully refreshed from Google Patents.
US2868656A
Expired / Lapsed
US
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Method of coating food articles and product obtained thereby
Assignee: Dow Chemical Co
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Filing: 1957-12-23
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Granted: 1959-01-13
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Expires: 1977-12-23
Abstract
No abstract record available.
Inventors
- 👤 Lorraine E Patten
- 👤 Harold C Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:39
CPC Classifications
A; A23; A23B; A23B4/00; A23B4/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 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 COMPOSED ESSENTIALLY OF (A) FROM 20 TO 50 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 CENTIPOISES, AS DETERMINED IN A 5 PERCENT BY WEIGHT SOLUTION THEREOF IN AN 80:20 MIXTURE, BY VOLUME, OF TOLUENE AND ETHANOL; (B) BETWEEN ABOUT 20 AND 65 PERCENT
Claim 2
Dependent Claim
105 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 COMPOSED ESSENTIALLY OF (A) FROM 20 TO 50 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 CENTIPOISES, AS DETERMINED IN A 5 PERCENT BY WEIGHT SOLUTION THEREOF IN AN 80:20 MIXTURE, BY VOLUME, OF TOLUENE AND ETHANOL; (B) BETWEEN ABOUT 20 AND 65 PERCENT
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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) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |