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 January 14, 2016 - 7:37 PM EST
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Patent Issued for Protected Antimicrobial Compounds for High Temperature Applications (USPTO 9226499)

By a News Reporter-Staff News Editor at Life Science Weekly -- From

Alexandria, Virginia
, NewsRx journalists report that a patent by the inventors Coburn, Charles E. (
Vernon Hills, IL
); Enzien, Michael V. (
Lisle, IL
); Mcginley, Heather R. (
Highland Park, IL
, David W. (
Hebron, IL
), filed on November 29, 2011, was published online on January 5, 2016 (see also Dow Global Technologies LLC).

The patent's assignee for patent number 9226499 is Dow Global Technologies LLC (

Midland, MI

News editors obtained the following quote from the background information supplied by the inventors: "Protecting aqueous systems from microbial contamination is critical to the success of many industrial processes, including oil or natural gas production operations. In oil and gas operations, microorganism contamination from both aerobic and anaerobic bacteria can cause serious problems such as reservoir souring (mainly caused by anaerobic sulfate-reducing bacteria (SRB)), microbiologically influenced corrosion (MIC) on metal surfaces of equipment and pipelines, and degradation of polymer additives.

"Various aldehyde compounds, including formaldehyde, glutaraldehyde, and glyoxal, are known antimicrobials that are used to control the growth of microorganisms in aqueous systems and fluids, including those found in oil and gas operations. The materials, however, are susceptible to a number of drawbacks. For instance, they can degrade over time at the elevated temperatures often encountered in the oil and gas production environment. The materials can also be inactivated by other common oilfield chemicals such as bisulfite salts and amines. These conditions can leave oilfield infrastructure (wells, pipelines, etc.) and formations susceptible to microbial fouling.

"It would be an advance in the art if new antimicrobial systems, which provided improved thermal and chemical stability, were developed."

As a supplement to the background information on this patent, NewsRx correspondents also obtained the inventors' summary information for this patent: "The invention provides methods for controlling microorganisms in aqueous or water-containing systems having a temperature of at least C. The method comprises contacting the aqueous or water-containing system with a protected antimicrobial compound as described herein.

"The invention also provides protected antimicrobial compounds that are useful for controlling microorganisms in aqueous or water-containing systems having a temperature of at least C."

For additional information on this patent, see: Coburn, Charles E.; Enzien, Michael V.; Mcginley, Heather R.;

, David W.. Protected Antimicrobial Compounds for High Temperature Applications.
Patent Number 9226499, filed November 29, 2011, and published online on January 5, 2016. Patent URL:

Keywords for this news article include: Dow Global Technologies LLC.

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Source: News (January 14, 2016 - 7:37 PM EST)

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