Patent US4026945A successfully refreshed from Google Patents.
US4026945A
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US
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Anti-microbial quaternary ammonium co-polymers
Assignee: MILLMASTER ONYX GROUP LP
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Filing: 1975-07-07
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Granted: 1977-05-31
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Expires: 1995-07-07
Abstract
Abstract Anti-Microbial Quaternary Ammonium Co-Polymers formed by the condensation of at least two di-functional tertiary amines and a molar quantity of 1,4-dihalo-2-butene that is equal to the molar sum of the di-functional tertiary amines in the mixture.
Inventors
- 👤 Harold A. Green
- 👤 John J. Merianos
- 👤 Alfonso N. Petrocci
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:07
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/02; C08G73/0273; C02; C02F; C02F1/00; C02F1/50; C08G73/0206; C08G73/0213
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A product formed by the condensation of a mixture of difunctional tertiary amines and a molar quantity of 1,4-dichloro-2-butene that is substantially equal to the molar sum of the mixture of difunctional tertiary amines, said mixture of difunctional tertiary amines being selected from the group consisting of (a) 1,4-bis-(dimethylamino)-2-butene and N,N,N',N'-tetramethyl ethylene diamine, and (b) 1,4-bis-(dimethylamino)-2-butene and 1,4-bis-(methyl dodecylamino)-2-butene, the components of each mixture being present in a molar proportion of between 10% and 90% of the mixture.
Claim 2
Dependent Claim
78 words
A product formed by the condensation of a mixture of difunctional tertiary amines and a molar quantity of 1,4-dichloro-2-butene that is substantially equal to the molar sum of the mixture of difunctional tertiary amines, said mixture of difunctional tertiary amines being selected from the group consisting of (a) 1,4-bis-(dimethylamino)-2-butene and N,N,N',N'-tetramethyl ethylene diamine, and (b) 1,4-bis-(dimethylamino)-2-butene and 1,4-bis-(methyl dodecylamino)-2-butene, the components of each mixture being present in a molar proportion of between 10% and 90% of the mixture.
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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) | 1980-05-30 | 1980-11-29 | 1981-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-30 | 1984-11-29 | 1985-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-30 | 1988-11-29 | 1989-05-31 | $7700.00 | Window Closed / Lapsed |