US3575901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyester and alkyd resins including tertiary alkyl manoamine component
Assignee: Valspar Corp
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Filing: 1969-04-04
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Granted: 1971-04-20
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Expires: 1989-04-04
Abstract
Abstract POLYESTER RESINS, AND ESPECIALLY ALKYD RESINS IN MINERAL SPIRIT SOLUTION, ARE MODIFIED FOR IMPROVED COMPATIBILITY WITH OTHER RESINS BY CONDENSING INTO THE POLYESTER, INCLUDING ALKYD RESINS, FROM 3 TO ABOUT 30% BY WEIGHT OF ALKYL MONOAMINE IN WHICH THE CARBON ATOM CARRYING THE AMINE GROUP IS A TERTIARY CARBON ATOM.
Inventors
- 👤 Henry Ashjian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:16
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/685; C08G63/6854; C09; C09D; C09D167/00
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) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |