Patent US3671503A successfully refreshed from Google Patents.
Patent US2968638A successfully refreshed from Google Patents.
US2968638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paint reclaiming
Assignee: Individual
•
Filing: 1959-02-18
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Granted: 1961-01-17
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Expires: 1979-02-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph G Meckler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:06
CPC Classifications
C; C09; C09D; C09D167/00; C09D167/08; C09D7/00; C09D7/80
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
115 words
A METHOD OF RECLAIMING A RESIN-CONTAINING PAINT SUBSTANTIALLY INSOLUBLE IN A NORMALLY USED PAINT VEHICLE COMPRISING THE STEPS OF INTERRECTING A FATTY ACID COMPONENT HAVING A 13 TO 17 CARBON CHAIN ATTACHED TO THE CARBOXYL GROUP, A POLYHYDRIC ALCOHOL HAVING FROM 2 TO 6 CARBON ATOMS, AND AN ACID ANHYDRIDE SELECTED FROM THE CLASS CONSISTING OF MALEIC ANHYDRIDE, SUCCINIC ANHYDRIDE, AND PHTHALIC ANHYDRIDE TO A LIQUID POLYMERIC STATE COMPATIBLE WITH THE RESIN-CONTAINING POINT, ADMIXING THE LIQUID POLYMER WITH SUCH PAINT, AND THEN ADDING SUCH NORMALLY USED PAINT VEHICLE TO THE ADMIXTURE, SUCH LIQUID POLYMER SERVING AS A BRIDGING AGENT BETWEEN SUCH RESIN-CONTAINING PAINT AND SUCH PAINT VEHICLE TO RENDER SUCH PAINT AND VEHICLE MUTUALLY COMPATIBLE.
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) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |