Images List Premium Download Classic

Hydrogen Sulfide

Hydrogen Sulfide-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


loading
Beta-mercaptoethanol synthesis
Chevron Phillips Chemical Company Lp
October 12, 2017 - N°20170291873

A process includes reacting, in a reactor having a fixed bed containing a solid catalyst which contains a heterogeneous ion exchange resin, hydrogen sulfide and ethylene oxide in the presence of the solid catalyst to yield a reaction product which contains beta-mercaptoethanol. A reactor system includes the reactor, an ethylene oxide stream, a hydrogen sulfide stream, a fixed bed containing ...
Methods and apparatus for measuring hydrogen sulfide in downhole fluids
Baker Hughes Incorporated
October 05, 2017 - N°20170285211

A method of determining a concentration of hydrogen sulfide in a fluid comprises exposing a sensor to the fluid, the sensor comprising a pair of electrodes defining a gap therebetween and a sensing material bridging the gap between the electrodes, measuring a value of an electrical parameter of the sensor at an applied frequency of greater than about 10 khz and ...
Sodium nitrite oxidation of hydrogen sulfide
United Laboratories International, Llc
October 05, 2017 - N°20170283286

A method for treating hydrogen sulfide in a solution includes providing the solution containing hydrogen sulfide. The method also includes adding sodium nitrite to the solution in an amount suitable to react with the hydrogen sulfide and treat the hydrogen sulfide.
Hydrogen Sulfide Patent Pack
Download + patent application PDFs
Hydrogen Sulfide Patent Applications
Download + Hydrogen Sulfide-related PDFs
For professional research & prior art discovery
inventor
  • + full patent PDF documents of Hydrogen Sulfide-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Gas-monitoring apparatus for detecting bowel movements and method of use
Sensor Technologies, Llc
September 28, 2017 - N°20170278373

A room monitoring device designed and intended to detect a bowel movement (bm) of a person occupying the room, such as a baby or infant or an adult with special needs or in a care facility. The device tests the air for particular substances such as, but not limited to, methane and hydrogen sulfide. The test is performed multiple times ...
Synthesis method for cathode material in lithium-sulfur battery
The Hong Kong Polytechnic University
September 21, 2017 - N°20170271660

The present invention relates to a method for synthesizing graphene/sulfur composite, involving the steps of mixing graphene oxide (go) with a hydrogen sulfide (h2s)-releasing agent in a sealed vessel, causing the h2s-releasing agent to release hydrogen sulfide, and then allowing the hydrogen sulfide to react with the graphene oxide at an elevated temperature and pressure to ...
Analytical method for optimizing efficiency of hydrogen sulfide scavengers
Canadian Energy Services L.p.
September 21, 2017 - N°20170269054

A method of determining sulfur content in an aqueous fluid containing spent hydrogen sulfide scavenger from a scrubber or contactor tower is described as is a method of optimizing the hydrogen sulfide scavenger treatment rate in a scrubber or contactor tower. The method includes the steps of providing a sample of an aqueous fluid from the scrubbing tower where the ...
Hydrogen Sulfide Patent Pack
Download + patent application PDFs
Hydrogen Sulfide Patent Applications
Download + Hydrogen Sulfide-related PDFs
For professional research & prior art discovery
inventor
  • + full patent PDF documents of Hydrogen Sulfide-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Chemical probes for hydrogen sulfide
The University Of Utah Research Foundation
September 21, 2017 - N°20170268997

Chemical probes and methods for detecting and/or quantifying hydrogen sulfide are disclosed. More particularly, this application discloses chemical probes and methods for their use for detecting and/or quantifying hydrogen sulfide in industrial and environmental samples and effluents, including samples of crude oil and sour water produced by petrochemical and other industrial processes.
Removal of hydrogen sulfide from process streams
Guild Associates Inc.
September 21, 2017 - N°20170266611

Disclosed are processes for removing h2s from gas streams containing h2s, the processes comprise contacting gas streams with a mixed metal oxy-hydroxide media comprising two or more metals selected from the group consisting of magnesium, chromium, manganese, iron, cobalt, zinc and copper. Also disclosed are processes for removing h2s from gas streams containing h2s, the processes ...
Colorimetric sensor material for detecting hydrogen sulfide gas, which includes one-dimensional polymer nanofiber coupled to ...
Korea Advanced Institute Of Science And Technology
September 14, 2017 - N°20170261479

Disclosed are polymer nanofiber sensors for detecting gas, which generates visible color change although a specific gas having a concentration of less than 1 ppm is exposed to the sensor in a short time, in which it is impossible to detect the gas using existing colorimetric sensors, through securing high surface area and porosity, and a method of the same.
Metal-based hydrogen sulfide scavenger and method of preparing same
Baker Hughes Incorporated
September 14, 2017 - N°20170260095

The present disclosure is related to a family of oil-based dispersions of organic and inorganic metal compounds for use as a hydrogen sulfide scavenger in asphalt, and the preparation thereof. These dispersions comprise organic and inorganic metal compounds, organic solvents, an organoclay suspension agent, an emulsifier and optionally a polymeric stabilizer. The organic and inorganic metal compounds are in the ...
Enzymes for removing sulfurous compounds in downhole fluids
Baker Hughes Incorporated
September 14, 2017 - N°20170260074

Cysteine synthase enzymes (e. G. O-acetyl-l-serine sulfhydrylase enzymes) may be used in combination with sulfide quinone reductase enzymes in additive compositions, fluid compositions, and methods for decreasing or removing hydrogen sulfide from recovered downhole fluids and/or the subterranean reservoir wellbore from which the downhole fluid was recovered. The fluid composition may include at least one cysteine synthase enzyme with ...
Method for recovering alkali metal from hydrocarbon feedstocks treated with alkali metal
Ceramatec, Inc.
September 07, 2017 - N°20170253816

A method for removing alkali metal from a hydrocarbon feedstock comprising alkali metal, non-alkali metal and sulfur. The method includes separating out at least a portion of any alkali metal sulfide and a portion of any non-alkali metal from the hydrocarbon feedstock. Hydrogen sulfide can be added to the remaining hydrocarbon feedstock to form alkali hydrosulfide from any alkali metal ...
Compounds for ph-controlled release of hydrogen sulfide
The Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College
September 07, 2017 - N°20170253622

The embodiments herein generally relates to compounds and methods for releasing h2s in a ph dependent manner. In particular, the invention provides compounds of various formulations which release h2s in a controlled, predictable and sustained manner upon contact with an aqueous environment, such as the circulatory system of an animal, and which are thus suitable for in vivo ...
Hydrogen Sulfide Patent Pack
Download + patent application PDFs
Hydrogen Sulfide Patent Applications
Download + Hydrogen Sulfide-related PDFs
For professional research & prior art discovery
inventor
  • + full patent PDF documents of Hydrogen Sulfide-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Dehydrogenation of alkanes to alkenes
Haldor Topsøe A/s
August 31, 2017 - N°20170247302

Process for dehydrogenation of alkanesor alkylbenzenes by using metal sulfide catalyst under the presence of small amounts of hydrogen sulfide.
Systems, apparatus, and methods for identifying species in potentially time-varying mixtures of fluids
Restream Solutions, Llc
August 24, 2017 - N°20170241930

Systems, apparatus, and methods for sensing species in fluids. In accordance with some embodiments, methods comprise activities such as diverting of the fluid into an analytics spool. These methods also comprise causing the fluid to separate into layers. Furthermore, they comprise sensing the type of fluid flowing at a position where water is likely to flow. Some methods further comprise ...
A process for the oxidation of hydrogen sulfide to sulfur trioxide with subsequent sulfur removal ...
Haldor Topsøe A/s
August 24, 2017 - N°20170239618

A process for the oxidation of hydrogen sulfide to sulfur trioxide with subsequent sulfur trioxide removal comprises oxidizing hydrogen sulfide to sulfur trioxide in at least one catalyst-containing reactor and feeding the effluent from the last reactor to a candle filter unit for so3 removal, where it is mixed with an injected alkaline sorbent slurry or powder to form an ...
Aqueous solution of 2-dimethylamino-2-hydroxymethyl-1, 3-propanediol useful for acid gas removal from gaseous mixtures
Dow Global Technologies Llc
August 24, 2017 - N°20170239613

The present invention relates to an aqueous alkanolamine solution demonstrating low volatility comprising 2-di-methylamino-2-hydroxymethyl-1, 3-propanediol useful for removing acid gases from gaseous mixtures. Said aqueous alkanolamine solution may further comprise one or more of an acid or acid-forming compound, another amino compound, an activator, a physical solvent, or one or more other compounds used in gal-liquid treatment practices. Further, ...
Self-contained anaerobic culture device for sulfate-reducing microorganisms
3m Innovative Properties Company
August 17, 2017 - N°20170233691

The present disclosure provides a culture device for enumerating colonies of sulfate-reducing microorganisms. The device includes a body having a waterproof base, a waterproof coversheet attached to the base, and a growth compartment disposed therebetween. The growth compartment has a perimeter and an opening. A portion of the perimeter is defined by a waterproof seal. The portion can include ...
Squeeze treatment for in situ scavenging of hydrogen sulfide
Ecolab Usa Inc.
August 10, 2017 - N°20170226841

A method of performing a squeeze treatment comprises pumping a treatment fluid under pressure through a wellbore into a subterranean formation, wherein the treatment fluid includes a hydrogen sulfide scavenging compound that adsorbs onto the subterranean formation in a region around the wellbore. Production fluids are then allowed to flow from the subterranean formation into the wellbore, wherein the production ...
Reduction of hydrogen sulfide and/or malodor gassing from water via the addition of peroxyacetic ...
Ecolab Usa Inc.
August 10, 2017 - N°20170225983

The invention provides methods and compositions for reducing the malodorous sulfide gas released by a wastewater treatment system. The method preserves the vitality of waste consuming organisms within the system. The method comprises the steps of: determining the srp paa demand of the system, determining the aerobic paa demand of the system, and adding a composition in an amount such ...
Process for the removal of acid gases from gaseous mixtures using an aqueous solution of 2...
Dow Global Technologies Llc
August 10, 2017 - N°20170225117

The present invention relates to an aqueous alkanolamine solution demonstrating low volatility comprising 2-di-methylamino-2-hydroxymethyl-1, 3-propanediol useful for removing acid gases from gaseous mixtures. Said aqueous alkanolamine solution may further comprise one or more of an acid or acid-forming compound, another amino compound, an activator, a physical solvent, or one or more other compounds used in gal-liquid treatment practices. Further, ...
Loading