US3244710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Iodine complexes of hexamethylene-tetramine quaternary salts
Assignee: Dow Chemical Co
•
Filing: 1963-12-23
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Granted: 1966-04-05
•
Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Eric R Larsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:00
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/12; C07D487/18; A; A01; A01N; A01N43/00; A01N43/90; A01N59/00; A01N59/12; C11; C11D; C11D1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
AN IODINE COMPLEX OF THE HEXAMETHYLENETETRAMINE QUATERNARY SALT OF A HALOGENATED ALLYL HALIDE OF THE FORMULA
Claim 2
Dependent Claim
16 words
AN IODINE COMPLEX OF THE HEXAMETHYLENETETRAMINE QUATERNARY SALT OF A HALOGENATED ALLYL HALIDE OF THE FORMULA
References Cited (Backward Citations)
US567968A
Cited
US1226394A
Cited
US2019121A
Cited
US2607759A
Cited
US2853414A
Cited
US2917428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |