US2569803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bis (alkylbenzyl) dimethyl ammonium halides
Assignee: Rohm and Haas Co
•
Filing: 1949-06-29
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Granted: 1951-10-02
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Expires: 1969-06-29
Abstract
No abstract record available.
Inventors
- 👤 Benneville Peter L De
- 👤 Louis H Bock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:28
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/69
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
AS NEW SUBSTANCES, COMPUNDS OF THE FORMULA WHEREIN R1 AND R2 ARE ALKYL SUBSTITUENTS OF THREE TO TEN CARBON ATOMS EACH, THE TOTAL NUMBER OF CARBON ATOMS IN R1 AND R2 BEING AT LEAST TEN AND NOT EXCEEDING FIFTEEN, R3 AND R4 ARE SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND THE METHYL GROUP, THE TOTAL NUMBER OF CARBON ATOMS IN R1, R2, R3, AND R4 NOT EXCEEDING SIXTEEN, AND X IS A MEMBER OF THE CLASS CONSISTING OF CHLORINE AND BROMINE.
Claim 2
Dependent Claim
82 words
AS NEW SUBSTANCES, COMPUNDS OF THE FORMULA WHEREIN R1 AND R2 ARE ALKYL SUBSTITUENTS OF THREE TO TEN CARBON ATOMS EACH, THE TOTAL NUMBER OF CARBON ATOMS IN R1 AND R2 BEING AT LEAST TEN AND NOT EXCEEDING FIFTEEN, R3 AND R4 ARE SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND THE METHYL GROUP, THE TOTAL NUMBER OF CARBON ATOMS IN R1, R2, R3, AND R4 NOT EXCEEDING SIXTEEN, AND X IS A MEMBER OF THE CLASS CONSISTING OF CHLORINE AND BROMINE.
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) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |