Patent US2769004A successfully refreshed from Google Patents.
US2769004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of conver-
Assignee: —
•
Filing: —
•
Granted: 1956-10-30
•
Expires: 1973-10-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:08
CPC Classifications
C; C07; C07D; C07D251/00; C07D251/02; C07D251/12; C07D251/14; C07D251/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A METHOD OF INITIATING AND PROMOTING A REACTION BETWEEN CYANURIC CHLORIDE AND A CARBOCYCLIC AROMATIC MONONUCLEAR COMPOUND OF THE BENZENE SERIES CARRYING AT LEAST ONE LABILE HYDROGEN ATOM ON THE AROMATIC NUCLEUS SELECTED FROM THE GROUP CONSISTING OF BENZOL ALKYL SUBSTITUTED BENZOLS, HALOGEN SUBSTITUTED BENZOLS AND AMINO SUBSTITUTED BENZOLS IN A LIQUID PHASE REACTION MIXTURE DEVOID OF ANY POLYNUCLEAR AROMATIC COMPOUND AND ESSENTIALLY COMPOSED OF SUCH CYANURIC CHLORIDE, SAID AROMATIC MONONUCLEAR COMPOUND AND ALUMINUM CHLORIDE WHICH COMPRISES INCORPORATING A HYDROHALIDE IN SUCH REACTION MIXTURE FROM AN EXTERNAL SOURCE.
Claim 2
Independent Claim
88 words
A METHOD OF INITIATING AND PROMOTING A REACTION BETWEEN CYANURIC CHLORIDE AND A CARBOCYCLIC AROMATIC MONONUCLEAR COMPOUND OF THE BENZENE SERIES CARRYING AT LEAST ONE LABILE HYDROGEN ATOM ON THE AROMATIC NUCLEUS SELECTED FROM THE GROUP CONSISTING OF BENZOL ALKYL SUBSTITUTED BENZOLS, HALOGEN SUBSTITUTED BENZOLS AND AMINO SUBSTITUTED BENZOLS IN A LIQUID PHASE REACTION MIXTURE DEVOID OF ANY POLYNUCLEAR AROMATIC COMPOUND AND ESSENTIALLY COMPOSED OF SUCH CYANURIC CHLORIDE, SAID AROMATIC MONONUCLEAR COMPOUND AND ALUMINUM CHLORIDE WHICH COMPRISES INCORPORATING A HYDROHALIDE IN SUCH REACTION MIXTURE FROM AN EXTERNAL SOURCE.
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) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |