US3299073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternary ammonium aromatic amino sulfonates
Assignee: Millmaster Onyx Corp
•
Filing: 1963-11-14
•
Granted: 1967-01-17
•
Expires: 1983-11-14
Abstract
No abstract record available.
Inventors
- 👤 Reginald L Wakeman
- 👤 Joseph F Coates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:14
CPC Classifications
C; C07; C07D; C07D217/00; C07D217/02; C07D217/10; Y; Y10; Y10S; Y10S424/00; Y10S424/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
26 words
A QUATERNARY AMMONIUM AROMATIC AMINO SULFONATE IN WHICH THE QUATERNARY NITROGEN ATOM IS LINKED TO AT LEAST ONE STRAIGHT-CHAIN ALKYL HAVING 12 TO 18 CARBON ATOMS.
Claim 2
Dependent Claim
26 words
A QUATERNARY AMMONIUM AROMATIC AMINO SULFONATE IN WHICH THE QUATERNARY NITROGEN ATOM IS LINKED TO AT LEAST ONE STRAIGHT-CHAIN ALKYL HAVING 12 TO 18 CARBON ATOMS.
Claim 3
Dependent Claim
3 words
LAURYL ISOQUINOLINIUM METANILATE.
Claim 4
Dependent Claim
3 words
LAURYL ISOQUINOLINIUM METANILATE.
References Cited (Backward Citations)
US2827466A
Cited
US3092547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |