US3047588A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxy cyanohydrins
Assignee: Shell USA Inc
•
Filing: 1960-04-18
•
Granted: 1962-07-31
•
Expires: 1980-04-18
Abstract
No abstract record available.
Inventors
- 👤 Paul R Van Ess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:09
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/22; C07; C07D; C07D303/00; C07D303/02; C07D303/38; C07D303/46
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
6 words
THE EPOXY CYANOHYDRIN OF THE STRUCTURE
Claim 2
Dependent Claim
6 words
THE EPOXY CYANOHYDRIN OF THE STRUCTURE
Claim 3
Dependent Claim
2 words
GLYCIDYL CYANOHYDRIN.
Claim 4
Dependent Claim
2 words
GLYCIDYL CYANOHYDRIN.
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) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |