US3285959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dodecyl-dimethyl-1, 2, 4, 5-tetramethyl-benzyl ammonium chloride
Assignee: Millmaster Onyx Corp
•
Filing: 1965-04-19
•
Granted: 1966-11-15
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Expires: 1985-04-19
Abstract
No abstract record available.
Inventors
- 👤 Samuel B Mcfarlane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:21
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/69; Y; Y10; Y10S; Y10S424/00; Y10S424/04; Y10S507/00; Y10S507/935; Y10S507/936; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A FREE-FLOWING CRYSTALS OF DODECYL DIMETHYL-1,2,4,5TETRAMETHYL-BENZYL AMMONIUM CHLORIDE FREE OF ANY DELIQUESCENT ISOMERS THEREOF.
Claim 2
Dependent Claim
14 words
A FREE-FLOWING CRYSTALS OF DODECYL DIMETHYL-1,2,4,5TETRAMETHYL-BENZYL AMMONIUM CHLORIDE FREE OF ANY DELIQUESCENT ISOMERS THEREOF.
References Cited (Backward Citations)
US2676986A
Cited
US2700683A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |