US3179609A
Expired / Lapsed
US
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Finish removal formulation
Assignee: Union Carbide Corp
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Filing: 1958-09-25
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Granted: 1965-04-20
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Expires: 1978-09-25
Abstract
No abstract record available.
Inventors
- 👤 Charles R W Morison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:48
CPC Classifications
C; C09; C09D; C09D9/00; C09D9/005
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
117 words
A SURFACE COATING REMOVER FORMULATION WHICH COMPRISES (A) FROM ABOUT 90 TO 100 PARTS BY WEIGHT OF AN ACTIVE ORGANIC SOLVENT ADAPTED TO LOOSEN A SURFACE COATING PREPARATORY TO REMOVAL THEREOF; (B) FROM ABOUT 0.01 TO 10.0 PARTS BY WEIGHT OF POLY(ETHYLENE OXIDE) WHICH IS SOLUBLE IN AND INERT TO SAID ORGANIC SOLVENT, SAID POLY(ETHYLENE OXIDE) BEING A FIRM, TOUGH, RESINOUS POLYMER WHICH FORMS HOMOGENEOUS SYSTEMS WITH WATER IN ALL PROPORTIONS AND HAVING A MELTING POINT OF ABOUT 66$2*C. AND A CRYSTALLIZATION TEMPERATURE DETERMINED FROM THE BREAK IN ITS COOLING CURVE OF ABOUT 55*C.; AND (C) FROM ABOUT 0.1 TO 5.0 PARTS BY WEIGHT OF PARAFFIN WAX WHICH IS SOLUBLE IN AND INERT TO SAID ORGANIC SOLVENT.
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) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |