Patent US4419500A successfully refreshed from Google Patents.
US4419500A
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US
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Process for producing quaternary ammonium polyamino ureylene containing halohydrin functionality
Assignee: Hercules LLC
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Filing: 1982-07-29
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Granted: 1983-12-06
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Expires: 2002-07-29
Abstract
Abstract Described is a novel process for producing quaternary ammonium compounds containing halohydrin functionality from tertiary amines without the use of epihalohydrin as the quaternization agent. The process of this invention comprises reacting an amino compound containing at least one tertiary amine group with an allyl halide to quaternize the amine and then reacting the quaternized product with hypohalous acid to convert the allyl substituents to halohydrin moieties.
Inventors
- 👤 Ralph A. Bankert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:20
CPC Classifications
C; C08; C08G; C08G85/00; C08G85/004; C08F; C08F8/00; C08F8/44; C08G69/00; C08G69/48
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
126 words
A process for producing a quaternary ammonium compound containing halohydrin functionality and having in its molecular structure at least one quaternary nitrogen group of the formula ##STR14## where X and y are halogen, which process comprises reacting a polyaminoureylene containing at least one tertiary amine group and derived by reacting urea with a polyamine containing at least three amine groups, at least one of which is a tertiary amine group, with at least one mole of allyl halide per mole of tertiary amine present in the polyaminoureylene to quaternize the tertiary amine groups and form allyl substituted quaternary ammonium halide groups, and then reacting the resulting allyl substituted product with hypohalous acid until substantially all of the allyl substituents are converted to the corresponding halohydrin moieties.
Claim 2
Dependent Claim
126 words
A process for producing a quaternary ammonium compound containing halohydrin functionality and having in its molecular structure at least one quaternary nitrogen group of the formula ##STR14## where X and y are halogen, which process comprises reacting a polyaminoureylene containing at least one tertiary amine group and derived by reacting urea with a polyamine containing at least three amine groups, at least one of which is a tertiary amine group, with at least one mole of allyl halide per mole of tertiary amine present in the polyaminoureylene to quaternize the tertiary amine groups and form allyl substituted quaternary ammonium halide groups, and then reacting the resulting allyl substituted product with hypohalous acid until substantially all of the allyl substituents are converted to the corresponding halohydrin moieties.
Claim 3
Dependent Claim
12 words
The process of claim 1 wherein the allyl halide is allyl chloride.
Claim 4
Dependent Claim
12 words
The process of claim 2 wherein the hypohalous acid is hypochlorous acid.
Claim 5
Dependent Claim
24 words
The process of claim 3 wherein the polyaminoureylene contains units of the formula ##STR15## where R is alkyl and n is 2 or 3.
Claim 6
Dependent Claim
17 words
The process of claim 3 wherein the reaction with hypochlorous acid is carried out in aqueous medium.
Claim 7
Dependent Claim
11 words
The process of claim 3 wherein the polyamine is methyl bis(3-aminopropyl)amine.
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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) | 1986-12-05 | 1987-06-06 | 1987-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-12-05 | 1991-06-06 | 1991-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-12-05 | 1995-06-06 | 1995-12-06 | $7700.00 | Window Closed / Lapsed |