US3632545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thixotropic agents for liquid resin systems
Assignee: FMC Corp
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Filing: 1969-05-13
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Granted: 1972-01-04
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Expires: 1989-05-13
Abstract
Abstract PSEUDUPLASTIC CHARACTERISTICS OF ORGANIC LIQUID RESIN SYSTEMS CONTAINING POLYMERIZABLE RESINS, AS SOLUTIONS OF UNSATUREATED POLYESTER RESINS AND POYLVINYL PLASITSOLS, ARE IMPROVED BY INCORPORATING IN THE LIQUID RESIN SYSTEMS A PREMIXED BLEND OF MICROCRYSTALLINE MINERAL SILICATES AS THIXOTROPIC AGENTS AND POLAR LIQUID.
Inventors
- 👤 Charles F Ferraro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:58
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/04; C08; C08K; C08K3/00; C08K3/34; C08K5/00; C08K5/04; C08K5/10; C08K5/12
Claims Analysis
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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) | 1975-01-03 | 1975-07-05 | 1976-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-03 | 1979-07-05 | 1980-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-03 | 1983-07-05 | 1984-01-04 | $7700.00 | Window Closed / Lapsed |