US3126339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition of nylon and polytetra-
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:36
CPC Classifications
C; C08; C08L; C08L77/00; C08L77/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A PROCESS FOR THE PREPARATION OF SHAPED ARTICLES HAVING LOW COEFFICIENT OF FRICTION COMPRISING THE STEPS OF ADDING AT LEAST 1/4% BY WEIGHT OF FINELY DIVIDED POLYTETRAFLUOROETHYLENE TO A MONOMERIC LACTAM, UNIFORMLY DISPERSING SAID POLYTETRAFLUOROETHYLENE THROUGHOUT SUCH LACTAM, POLYMERIZING SAID LACTAM BELOW THE MELTING POINT OF THE RESULTING POLYLACTAM WHILE SAID POLYTETRAFLUOROETHYLENE IS UNIFORMLY HELD IN SUSPENSION THEREIN.
Claim 2
Dependent Claim
58 words
A PROCESS FOR THE PREPARATION OF SHAPED ARTICLES HAVING LOW COEFFICIENT OF FRICTION COMPRISING THE STEPS OF ADDING AT LEAST 1/4% BY WEIGHT OF FINELY DIVIDED POLYTETRAFLUOROETHYLENE TO A MONOMERIC LACTAM, UNIFORMLY DISPERSING SAID POLYTETRAFLUOROETHYLENE THROUGHOUT SUCH LACTAM, POLYMERIZING SAID LACTAM BELOW THE MELTING POINT OF THE RESULTING POLYLACTAM WHILE SAID POLYTETRAFLUOROETHYLENE IS UNIFORMLY HELD IN SUSPENSION THEREIN.
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) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |