US2590815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkanolamine salts of 2, 4, 5-trichlorophenoxyacetic acid
Assignee: Dow Chemical Co
•
Filing: 1950-03-09
•
Granted: 1952-03-25
•
Expires: 1970-03-09
Abstract
No abstract record available.
Inventors
- 👤 Robert C Dosser
- 👤 Jr Leeds C White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:44
CPC Classifications
C; C07; C07C; C07C59/00; C07C59/40; C07C59/58; C07C59/64; C07C59/66; C07C59/68; C07C59/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
AN ALKANOLAMINE SALT OF 2,4,5-TRICHLOROPHENOXYACETIC ACID HAVING THE FORMULA
Claim 2
Dependent Claim
9 words
AN ALKANOLAMINE SALT OF 2,4,5-TRICHLOROPHENOXYACETIC ACID HAVING THE FORMULA
References Cited (Backward Citations)
US2396513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |