US2806829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solutions of polycaprolactam in dimethyl sulfoxide and method of making same
Assignee: Solutia Inc
•
Filing: 1955-04-25
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Granted: 1957-09-17
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Expires: 1975-04-25
Abstract
No abstract record available.
Inventors
- 👤 David B Capps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:06
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/41; Y; Y10; Y10S; Y10S264/00; Y10S264/61
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A COMPOSITION OF MATTER COMPRISING A SOLUTION OF POLYCAPROLACTAM IN DIMETHYLSULFOXIDE.
Claim 2
Dependent Claim
11 words
A COMPOSITION OF MATTER COMPRISING A SOLUTION OF POLYCAPROLACTAM IN DIMETHYLSULFOXIDE.
References Cited (Backward Citations)
US2404717A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |