# US 9,433,210 B2 · Compositions of dibromomalonamide and their use as biocides

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 9,433,210 B2
- Document ID: US9433210B2
- Status: Granted
- Kind: B2
- Application number: 15/018,889
- Filed: 2016-02-09
- Published: 2016-06-02
- Granted: 2016-09-06
- Earliest claimed: 2009-09-28
- Assignees: Dow Global Technologies LLC
- Applicants: Dow Global Technologies Inc.
- Inventors: Bei Yin; Freddie L. Singleton
- Web page: https://patentgrep.com/patent/US9433210B2

## CPC

- A01N 37/18: containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
- A01N 33/18: Nitro compounds
- A01N 35/08: at least one of the bonds to hetero atoms is to nitrogen
- A01N 37/30: containing the groups —CO—N< and [IMAGE cpc-sch-A01N-0938.gif], both being directly attached by their carbon atoms to the same carbon skeleton, e.g. H2N—NH—CO—C6H4—COOCH3; Thio-analogues thereof
- A01N 37/34: Nitriles
- A01N 47/48: containing —S—C≡N groups (A01N43/00 - A01N47/38 take precedence)
- A61K 8/40: containing nitrogen (quinones containing nitrogen A61K8/355)
- A61K 8/42: Amides
- A61K 8/46: containing sulfur (A61K8/44 takes precedence)
- A61Q 17/005: {Antimicrobial preparations}
- A61Q 19/00: Preparations for care of the skin
- C09D 5/14: Paints containing biocides, e.g. fungicides, insecticides or pesticides (C09D5/16 takes precedence)
- C11D 3/32: Amides; Substituted amides
- C11D 3/349: {additionally containing nitrogen atoms, e.g. nitro, nitroso, amino, imino, nitrilo, nitrile groups containing compounds or their derivatives or thio urea}
- C11D 3/48: Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
- A01N: PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF (preservation of food or foodstuff A23); BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES (preparations for medical, dental or toiletry purposes which kill or prevent the growth or proliferation of unwanted organisms A61K); PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D)
- A61Q: SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D)
- C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL

## Abstract

A biocidal composition comprising 2,2-dibromomalonamide and an electrophile containing biocide, and its use for the control of microorganisms in aqueous and water-containing systems.

## Claims

### Claim 1

A synergistic biocidal composition for controlling microorganisms in an aqueous or water-containing system, the composition comprising 2,2-dibromomalonamide and 1,2-dibromo-2,4-dicyanobutane, wherein the weight ratio of 2,2-dibromomalonamide to 1,2-dibromo-2,4-dicyanobutane is from 8:1 to 2:1.

### Claim 2 (depends on 1)

The synergistic composition according to claim 1 which is: paint, coating, aqueous emulsion, latex, adhesive, ink, pigment dispersion, household or industrial cleaner, detergent, dish detergent, mineral slurry polymer emulsion, caulk, adhesive, tape joint compound, disinfectant, sanitizer, metalworking fluid, construction product, personal care product, textile fluid, spin finish, industrial process water, oilfield functional fluid, fuel, air washer, wastewater, ballast water, filtration systems, swimming pool or spa water.

### Claim 3 (depends on 1)

A method for controlling microorganism growth in an aqueous or water-containing system, the method comprising treating the aqueous or water-containing system with an effective amount of a composition according to claim 1.

### Claim 4 (depends on 3)

A method according to claim 3 wherein the aqueous or water-containing system is paint, coating, aqueous emulsion, latex, adhesive, ink, pigment dispersion, household or industrial cleaner, detergent, dish detergent, mineral slurry polymer emulsion, caulk, adhesive, tape joint compound, disinfectant, sanitizer, metalworking fluid, construction product, personal care product, textile fluid, spin finish, industrial process water, oilfield functional fluid, fuel, air washer, wastewater, ballast water, filtration system, swimming pool or spa water.

### Claim 5 (depends on 3)

A method according to claim 3 wherein the composition inhibits the growth of microorganisms in the aqueous or water-containing system.

### Claim 6 (depends on 3)

A method according to claim 3 wherein the composition kills microorganisms in the aqueous or water-containing system.