US2853414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-insoluble complex of quaternary ammonium salt, a heavy-metal oxide, and an organic colloid and method of preparing same
Assignee: Amstar Corp
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Filing: 1953-12-02
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Granted: 1958-09-23
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Expires: 1973-12-02
Abstract
No abstract record available.
Inventors
- 👤 Ernest L Wimmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:29
CPC Classifications
C; C14; C14C; C14C9/00; Y; Y10; Y10S; Y10S424/00; Y10S424/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
COMPOSITION WITH BACTERICIDAL AND FUNGIDICAL PROPERTIES, SAID COMPOSITION BEING WATER-INSOLUBLE COORDINATION COMPLEXES OF (1) A HEAVY METAL HYDRATED OXIDE SELECTED FROM THE CLASS WHICH CONSISTS OF THE HYDRATED OXIDES OF COPPER, CHROMIUM IRON, COBALT OF THE HYDRATED (2) AN ORGANIC HYDROPHILIC COLLOID AND (3) A BACTERICIDAL WATER SOLUBLE QUANTERNARY AMMONIUM SALT, THE PROPORTIONS OF HYDRATED METAL OXIDE AND COLLOID BEING SUCH AS TO FORM A WATER SOLUBLE COORDINATION COMPLEX IN THE PRESENCE OF CAUSTIC ALKALI AND IN THE ABSENCE OF THE QUATERNARY AMMONIUM SALT, AND THE AMOUNT OF THE WATER SOLUBLE QUATENARY AMMONIUM SALT BEING SUFFICEINT TO FORM THE INSOLUBLE COORDINATION COMPLEX, SAID COMPOSITION PROVIDING AN INSOLUBLE ACTIVE SOURCE OF HEAVY METAL ION AND A BACTERICIDAL QUATERNARY AMMONIUM SALT AS A PART OF THE WATER INSOLUBLE COMPLEX.
Claim 2
Dependent Claim
127 words
COMPOSITION WITH BACTERICIDAL AND FUNGIDICAL PROPERTIES, SAID COMPOSITION BEING WATER-INSOLUBLE COORDINATION COMPLEXES OF (1) A HEAVY METAL HYDRATED OXIDE SELECTED FROM THE CLASS WHICH CONSISTS OF THE HYDRATED OXIDES OF COPPER, CHROMIUM IRON, COBALT OF THE HYDRATED (2) AN ORGANIC HYDROPHILIC COLLOID AND (3) A BACTERICIDAL WATER SOLUBLE QUANTERNARY AMMONIUM SALT, THE PROPORTIONS OF HYDRATED METAL OXIDE AND COLLOID BEING SUCH AS TO FORM A WATER SOLUBLE COORDINATION COMPLEX IN THE PRESENCE OF CAUSTIC ALKALI AND IN THE ABSENCE OF THE QUATERNARY AMMONIUM SALT, AND THE AMOUNT OF THE WATER SOLUBLE QUATENARY AMMONIUM SALT BEING SUFFICEINT TO FORM THE INSOLUBLE COORDINATION COMPLEX, SAID COMPOSITION PROVIDING AN INSOLUBLE ACTIVE SOURCE OF HEAVY METAL ION AND A BACTERICIDAL QUATERNARY AMMONIUM SALT AS A PART OF THE WATER INSOLUBLE COMPLEX.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |