US4164574A
Expired / Lapsed
US
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Use of polyquaternary ammonium methylene phosphonates as microbiocides
Assignee: Baker Petrolite LLC
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Filing: 1977-10-14
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Granted: 1979-08-14
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Expires: 1997-10-14
Abstract
Abstract Polyquaternary ammonium methylene phosphonates and uses thereof, particularly as scale inhibitors, chelating agents, bactericides, etc.
Inventors
- 👤 Patrick M. Quinlan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:55
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/3895; A; A01; A01N; A01N57/00; A01N57/18; C02; C02F; C02F1/00; C02F1/50; C02F5/00; C02F5/08; C02F5/10; C02F5/14; C07F9/3804; C07F9/3808; C07F9/3817
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
91 words
The process of controlling microbiological growth in an aqueous system which comprises adding to said system a microbiologically effective amount of a polyquaternary compound having the repeating unit of the formula ##STR69## where R is ##STR70## alkyl, aryl, alkenyl, alkaryl, aralkyl or cycloalkyl, A is alkylene having 2 to 10 carbon atoms, alkaralkylene having 8 to 20 carbon atoms, dialkylene ether wherein each alkylene group has 1 to 10 carbon atoms, alkenylene, or alkinylene; M is hydrogen, ammonium, an alkali metal or alkaline earth metal; X is Br, I or Cl.
Claim 2
Dependent Claim
91 words
The process of controlling microbiological growth in an aqueous system which comprises adding to said system a microbiologically effective amount of a polyquaternary compound having the repeating unit of the formula ##STR69## where R is ##STR70## alkyl, aryl, alkenyl, alkaryl, aralkyl or cycloalkyl, A is alkylene having 2 to 10 carbon atoms, alkaralkylene having 8 to 20 carbon atoms, dialkylene ether wherein each alkylene group has 1 to 10 carbon atoms, alkenylene, or alkinylene; M is hydrogen, ammonium, an alkali metal or alkaline earth metal; X is Br, I or Cl.
Claim 3
Dependent Claim
93 words
The process of controlling microbiological growth in an aqueous system which comprises adding to said system a microbiologically effective amount of a polyquaternary compound where the polyquaternary compound has the repeating unit of the formula ##STR71## A is alkylene having 2 to 10 carbon atoms; A' is alkylene having 2 to 25 carbon atoms, alkaralkylene having 8 to 20 carbon atoms, dialkylene ether wherein each alkylene group has 1 to 10 carbon atoms, alkenylene and alkinylene; M is hydrogen, ammonium, an alkali metal or alkaline earth metal; X is Br, I or Cl.
Claim 4
Dependent Claim
93 words
The process of controlling microbiological growth in an aqueous system which comprises adding to said system a microbiologically effective amount of a polyquaternary compound where the polyquaternary compound has the repeating unit of the formula ##STR71## A is alkylene having 2 to 10 carbon atoms; A' is alkylene having 2 to 25 carbon atoms, alkaralkylene having 8 to 20 carbon atoms, dialkylene ether wherein each alkylene group has 1 to 10 carbon atoms, alkenylene and alkinylene; M is hydrogen, ammonium, an alkali metal or alkaline earth metal; X is Br, I or Cl.
Claim 5
Dependent Claim
32 words
The process of controlling microbiological growth in an aqueous system which comprises adding to said system a microbiologically effective amount of a polyquaternary compound where the polyquaternary compound has the formula ##STR72##
Claim 6
Dependent Claim
32 words
The process of controlling microbiological growth in an aqueous system which comprises adding to said system a microbiologically effective amount of a polyquaternary compound where the polyquaternary compound has the formula ##STR72##
Claim 7
Dependent Claim
32 words
The process of controlling microbiological growth in an aqueous system which comprises adding to said system a microbiologically effective amount of a polyquaternary compound where the polyquaternary compound has the formula ##STR73##
Claim 8
Dependent Claim
32 words
The process of controlling microbiological growth in an aqueous system which comprises adding to said system a microbiologically effective amount of a polyquaternary compound where the polyquaternary compound has the formula ##STR73##
Claim 9
Dependent Claim
20 words
The process of claim 1 where the aqueous system is a water flooding system in the secondary recovery of oil.
Claim 10
Dependent Claim
14 words
The process of claim 1 where the aqueous system is an industrial water system.
Claim 11
Dependent Claim
20 words
The process of claim 2 where the aqueous system is a water flooding system in the secondary recovery of oil.
Claim 12
Dependent Claim
14 words
The process of claim 2 where the aqueous system is an industrial water system.
Claim 13
Dependent Claim
20 words
The process of claim 3 where the aqueous system is a water flooding system in the secondary recovery of oil.
Claim 14
Dependent Claim
20 words
The process of claim 4 where the aqueous system is a water flooding system in the secondary recovery of oil.
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) | 1982-08-13 | 1983-02-12 | 1983-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-08-13 | 1987-02-12 | 1987-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-08-13 | 1991-02-12 | 1991-08-14 | $7700.00 | Window Closed / Lapsed |