US3068298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorine-containing aromatics
Assignee: International Minerals and Chemical Corp
•
Filing: 1958-11-28
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Granted: 1962-12-11
•
Expires: 1978-11-28
Abstract
No abstract record available.
Inventors
- 👤 Clarence W Huffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:39
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/093; C07C17/10; C07C17/14; C07C17/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A METHOD FOR SELECTIVE CHLORINATION OF METHYLSUBSTITUTED POLYNUCLEAR AROMATICS TO EFFECT THE SUBSTITUTION OF CHLORINE ON THE AROMATIC RING AND MONOCHLORINATION IN A METHYL GROUP WHICH COMPRISES SUBJECTING THE METHYL-SUBSITUTED POLYNUCLEAR AROMATIC COMPOUND IN THE LIQUID PHASE TO CONTACT WITH CHLORINE IN THE ABSENCE OF ACTINIC LIGHT AT A TEMPERATURE THE RANGE BETWEEN ABOUT 100 AND ABOUT 175*C., AND SEPERATING FROM THE REACTION MIXTURE A COMPOUND HAVING CHLORINE ON THE AROMATIC RING AND MONOCHLORINATION IN A METHYL SIDE CHAIN.
Claim 2
Independent Claim
79 words
A METHOD FOR SELECTIVE CHLORINATION OF METHYLSUBSTITUTED POLYNUCLEAR AROMATICS TO EFFECT THE SUBSTITUTION OF CHLORINE ON THE AROMATIC RING AND MONOCHLORINATION IN A METHYL GROUP WHICH COMPRISES SUBJECTING THE METHYL-SUBSITUTED POLYNUCLEAR AROMATIC COMPOUND IN THE LIQUID PHASE TO CONTACT WITH CHLORINE IN THE ABSENCE OF ACTINIC LIGHT AT A TEMPERATURE THE RANGE BETWEEN ABOUT 100 AND ABOUT 175*C., AND SEPERATING FROM THE REACTION MIXTURE A COMPOUND HAVING CHLORINE ON THE AROMATIC RING AND MONOCHLORINATION IN A METHYL SIDE CHAIN.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |