Patent US5153459A successfully refreshed from Google Patents.
US3729331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for reflowing organic surfaces
Assignee: Dow Chemical Co
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Filing: 1971-03-25
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Granted: 1973-04-24
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Expires: 1991-03-25
Abstract
Abstract COMPOSITION FOR REFLOWING ORGANIC SURFACES, SUCH AS PAINTS AND POLYSTYRENE, HAVE BEEN DISCOVERED WHICH CONTAINS BY VOLUME 50 TO 90% OF A LIQUID CHLORINATED ALIPHATIC HYDROCARBON, 5 TO 30% OF A LIQUID KETONE OR ALCOHOL, 2 TO 20% OF A GLYCOL ETHER ALKANOATE AND 0 TO 30% OF AN ALKYL ALKANOATE, ALL OF SUCH COMPONENTS HAVING A BOILING POINT BELOW 200*C.
Inventors
- 👤 T Vivian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:51
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-23 | 1976-10-23 | 1977-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-23 | 1980-10-23 | 1981-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-23 | 1984-10-23 | 1985-04-24 | $7700.00 | Window Closed / Lapsed |