US3324072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nylon filled with carbon black
Assignee: Monsanto Co
•
Filing: 1963-08-12
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Granted: 1967-06-06
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Expires: 1983-08-12
Abstract
No abstract record available.
Inventors
- 👤 Edmond P Brignac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:33
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/56; C08; C08K; C08K3/00; C08K3/02; C08K3/04; C01; C01P; C01P2006/00; C01P2006/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A PROCESS FOR PREPARING BLACK PIGMENTED NYLON WHICH COMPRISES TREATING CARBON BLACK NORMALLY CHARACTERIZED BY AN OXYGEN CONTENT SUUBSTANTIALLY HIGHER THAN 3 WEIGHT PERCENT TO LOWER THE OXYGEN CONTENT THEREOF TO BELOW 3 WEIGHT PERCENT, AND MIXING THE TREATED CARBON BLACK WITH NYLON TO FORM A SUBSTANTIALLY UNIFORM MIXTURE THEREOF.
Claim 2
Dependent Claim
50 words
A PROCESS FOR PREPARING BLACK PIGMENTED NYLON WHICH COMPRISES TREATING CARBON BLACK NORMALLY CHARACTERIZED BY AN OXYGEN CONTENT SUUBSTANTIALLY HIGHER THAN 3 WEIGHT PERCENT TO LOWER THE OXYGEN CONTENT THEREOF TO BELOW 3 WEIGHT PERCENT, AND MIXING THE TREATED CARBON BLACK WITH NYLON TO FORM A SUBSTANTIALLY UNIFORM MIXTURE THEREOF.
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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |