US2815362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processes for making trans chrysanthemic acid and related compounds and products therefrom
Assignee: Benzol Products Co
•
Filing: 1956-01-03
•
Granted: 1957-12-03
•
Expires: 1976-01-03
Abstract
No abstract record available.
Inventors
- 👤 Stanley H Harper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:20
CPC Classifications
A; A01; A01N; A01N53/00; C; C07; C07C; C07C69/00; C07C69/74; C07C69/743; C07C69/747
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
40 words
A PROCESS WHICH COMPRISES HEATING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF CIS-CHRYSANTHEMAMIDE AND CIC-CHRYSATNEMONITRILE, WITH AN ALKALINE HYDROXY COMPOUND IN A LIQUID MEDIUM TO PRODUCE A COMPOUND SELECTED FROM THE GROUP CONSISTING OF TRANS-CHRYASNTHEMAMIDE, AND TRANS CHRYSATHEMIC ACID
Claim 2
Dependent Claim
40 words
A PROCESS WHICH COMPRISES HEATING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF CIS-CHRYSANTHEMAMIDE AND CIC-CHRYSATNEMONITRILE, WITH AN ALKALINE HYDROXY COMPOUND IN A LIQUID MEDIUM TO PRODUCE A COMPOUND SELECTED FROM THE GROUP CONSISTING OF TRANS-CHRYASNTHEMAMIDE, AND TRANS CHRYSATHEMIC ACID
Claim 3
Dependent Claim
24 words
A MIXTURE OF (D.L)-CIS AND TRANS CHRYSANTHEMONITRILE HAVING A B. P. OF 105*C. AT 16 MM. MERCURY AND A REFRACTIVE INDEX OF ND20 1,4699.
Claim 4
Dependent Claim
24 words
A MIXTURE OF (D.L)-CIS AND TRANS CHRYSANTHEMONITRILE HAVING A B. P. OF 105*C. AT 16 MM. MERCURY AND A REFRACTIVE INDEX OF ND20 1,4699.
References Cited (Backward Citations)
US2452012A
Cited
US2603652A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |