US3197441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric reaction products of caprolactam and amino alcohols
Assignee: Commercial Solvents Corp
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Filing: 1960-05-23
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Granted: 1965-07-27
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Expires: 1980-05-23
Abstract
No abstract record available.
Inventors
- 👤 Herbert L Wehrmeister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:59
CPC Classifications
C; C08; C08G; C08G69/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
27 words
AS NEW COMPOSITIONS OF MATTER, HARD SOLID POLYMERIC PRODUCTS OBTAINED BY A PROCESS WHICH CONSISTS OF INTERACTING CAPROLACTAM WITH AN AMNO ALCOHOL HAVING THE FOLLOWING GENERAL FORMULA:
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |