US3654202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyethylene filled with treated chrysotile
Assignee: Motors Liquidation Co
•
Filing: 1970-07-27
•
Granted: 1972-04-04
•
Expires: 1990-07-27
Abstract
Abstract THE REACTING OF CHRYSOTILE WITH A SUITABLE HIGHER UNSATURATED FATTY ACID PROVIDES AN IMPROVED FILLER MATERIAL FOR CERTAIN SYNTHETIC RESINS. IN A PREFERRED FORM OF THE INVENTION THIS IMPROVED FILLER IS PREPARED BY REACTING CHRYSOTILE FIBERS WITH THE SODIUM SALT OF AN UNSATURATED HIGHER FATTY ACID IN AN AQUEOUS SOLUTION THEREOF. THE TREATED CHRYSOTILE MAY THEN BE INCORPORATED INTO A SYNTHETIC RESIN SUCH AS A POLYETHLENE UNDER CONDITIONS WHEREBY THE RESIN IS CHEMICALLY COMBINED WITH THE UNSATURATED FATTY ACID MOIETY OF THE FILLER THEREBY PROVIDING A FILLED PLASTIC HAVING IMPROVED TENSILE AND FLEXURAL PROPERTIES.
Inventors
- 👤 Elio Eusebi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:23
CPC Classifications
C; C08; C08K; C08K7/00; C08K7/02; C08K7/04; C08K7/10; C08K7/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1975-04-04 | 1975-10-04 | 1976-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-04 | 1979-10-04 | 1980-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-04 | 1983-10-04 | 1984-04-04 | $7700.00 | Window Closed / Lapsed |