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Class Information
Number: 507/920
Name: Earth boring, well treating, and oil field chemistry > Biocidal
Description: Subject matter wherein the well treating composition is intended to be biocidal.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7468469 |
Dissolved oxygen releasing compound |
Dec. 23, 2008 |
| 7256160 |
Fracturing fluids for delayed flow back operations |
Aug. 14, 2007 |
| 6723683 |
Compositions for controlled release |
Apr. 20, 2004 |
| 5459125 |
Corrosion inhibitor composition and method of use |
Oct. 17, 1995 |
| 5026491 |
Controlling sulfate reducing bacteria by slug dosing with quick-kill antimicrobials and by continuous dosing with isothiazolones |
Jun. 25, 1991 |
| 5016714 |
Biocidal well treatment method |
May. 21, 1991 |
| 4892148 |
Use of chlorous acid in oil recovery |
Jan. 9, 1990 |
| 4820428 |
Antimicrobial compositions and methods |
Apr. 11, 1989 |
| 4738897 |
Polymer article and its use for controlled introduction of reagent into a fluid |
Apr. 19, 1988 |
| 4675119 |
Aqueous drilling and packer fluids |
Jun. 23, 1987 |
| 4670166 |
Polymer article and its use for controlled introduction of reagent into a fluid |
Jun. 2, 1987 |
| 4624795 |
Aqueous acid gels and use thereof |
Nov. 25, 1986 |
| 4507212 |
Nitrile compounds as oil field biocides |
Mar. 26, 1985 |
| 4495200 |
Process for the control of sulfate-reducing bacteria |
Jan. 22, 1985 |
| 4448977 |
Stabilized acetal-acid compositions |
May. 15, 1984 |
| 4395341 |
Use of metronidazole in oil recovery |
Jul. 26, 1983 |
| 4299709 |
Tracer fluids for enhanced oil recovery |
Nov. 10, 1981 |
| 4244876 |
Acetal-acid compositions |
Jan. 13, 1981 |
| 4217329 |
Sulfone containing quaternary ammonium derivatives of 1,4-thiazines |
Aug. 12, 1980 |
| 4188359 |
Thioether containing quartenary ammonium derivatives of 1,4-thiazines |
Feb. 12, 1980 |
| 4187277 |
Process of inhibiting corrosion with quaternaries of halogen derivatives of alkynoxymethyl amines |
Feb. 5, 1980 |
| 4119491 |
Enzyme-filtration clarification of xanthan gum polymer solution |
Oct. 10, 1978 |
| 4101654 |
Microbiocidal process employing full quaternary nitrogen-heterocyclic phosphonates |
Jul. 18, 1978 |
| 4089650 |
Use of Diels-Alder adducts of dihydro-nitrogen heterocyclic phosphoramidates as corrosion inhibitors |
May. 16, 1978 |
| 4073924 |
Hydantoin derivatives and broad spectrum bactericidal/fungicidal compositions thereof |
Feb. 14, 1978 |
| 4073926 |
Mono-quaternary ammonium salts of hydantoin and compositions thereof |
Feb. 14, 1978 |
| 4073927 |
Di-quaternary ammonium salts of hydantoin and compositions thereof |
Feb. 14, 1978 |
| 4057390 |
Sulfur-containing bis-quaternaries |
Nov. 8, 1977 |
| 4049559 |
Composition for secondary and tertiary oil recovery |
Sep. 20, 1977 |
| 4008165 |
Surfactant oil recovery process usable in high temperature formations having high concentrations of polyvalent ions |
Feb. 15, 1977 |
| 3981766 |
Method of controlling fungi and bacteria in paper products |
Sep. 21, 1976 |
| 3981998 |
Bactericidal and fungicidal 1,3,5 trialkanol triazines |
Sep. 21, 1976 |
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