Patent US3455996A successfully refreshed from Google Patents.
US3455996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing acrylic esters of trichloropropylene glycol
Assignee: Wyandotte Chemicals Corp
•
Filing: 1966-03-17
•
Granted: 1969-07-15
•
Expires: 1986-03-17
Abstract
No abstract record available.
Inventors
- 👤 William K Langdon
- 👤 Alexander Korczak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:20
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/52; C07C69/533; C07C69/54; C07C69/62; C07C69/65; C07C69/653
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2962524A
Cited
US3313846A
Cited
US3244754A
Cited
US3150167A
Cited
US3254057A
Cited
US3331815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |