US3207716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strippable coating comprising ethylenevinyl acetate copolymers and release agent
Assignee: ConocoPhillips Co
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Filing: 1962-09-04
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Granted: 1965-09-21
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Expires: 1982-09-04
Abstract
No abstract record available.
Inventors
- 👤 Richard F Lippoldt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:44
CPC Classifications
C; C23; C23F; C23F15/00; C09; C09D; C09D123/00; C09D123/02; C09D123/04; C09D123/08; C09D191/00; C09D191/06; C09D191/08; C09D5/00; C09D5/20; C10; C10G; C10G73/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A COMPOSITION FOR FORMING A TEMPORARY STRIPPABLE PROTECTIVE COATING ON A METALLIC SURFACE COMPRISING A HOMOGENEOUS ADMIXTURE OF FROM ABOUT 80 TO 30 PARTS OF PARAFFIN WAX AND CORRESPONDINGLY FROM ABOUT 20 TO 70 PARTS OF AN ETHYLENE-VINYL ACETATE COPOLYMER HAVING A VINYL ACETATE CONTENT BETWEEN ABOUT 10 AND 40% BY WEIGHT, SAID ADMIXTURE FURTHER CONTAINING A SMALL BUT EFFECTIVE AMOUNT OF A HOMOGENEOUSLY DISPERSED RELEASE AGENT SELECTED FROM THE GROUP CONSISTING OF A PARTIAL POLYHYDRIC ALCOHOL ESTER OF A FATTY ACID HAVING FROM 6 TO 22 CARBON ATOMS AND ACETYLATED DERIVATIVES THEREOF.
Claim 2
Dependent Claim
93 words
A COMPOSITION FOR FORMING A TEMPORARY STRIPPABLE PROTECTIVE COATING ON A METALLIC SURFACE COMPRISING A HOMOGENEOUS ADMIXTURE OF FROM ABOUT 80 TO 30 PARTS OF PARAFFIN WAX AND CORRESPONDINGLY FROM ABOUT 20 TO 70 PARTS OF AN ETHYLENE-VINYL ACETATE COPOLYMER HAVING A VINYL ACETATE CONTENT BETWEEN ABOUT 10 AND 40% BY WEIGHT, SAID ADMIXTURE FURTHER CONTAINING A SMALL BUT EFFECTIVE AMOUNT OF A HOMOGENEOUSLY DISPERSED RELEASE AGENT SELECTED FROM THE GROUP CONSISTING OF A PARTIAL POLYHYDRIC ALCOHOL ESTER OF A FATTY ACID HAVING FROM 6 TO 22 CARBON ATOMS AND ACETYLATED DERIVATIVES THEREOF.
References Cited (Backward Citations)
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US2790732A
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |