Merichem Company

United States of America

 
Total IP 28
Total IP incl. subs 30 (+ 2 for subs)
Total IP Rank # 51,594
IP Activity Score 2/5.0    14
IP Activity Rank # 61,441

Patents

Trademarks

2 0
5 0
21 0
0
 
Last Patent 2024 - Hydrogen sulfide removal process
First Patent 1975 - Mass transfer apparatus

Subsidiaries

3 subsidiaries with IP (2 patents, 0 trademarks)

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Latest Inventions, Goods, Services

2023 Invention Hydrogen sulfide removal process. A method and apparatus for removal of hydrogen sulfide from a p...
Invention Method of preparing functional polymers. An apparatus may include: a flow path defined by a condu...
Invention Catalyst for carbonyl sulfide removal from hydrocarbons. A method may include: contacting a feed ...
2021 Invention Catalytic carbon fiber preparation methods. A method of producing a catalytic carbon fiber may in...
Invention Multi-stage contacting process and apparatus. A method may include: introducing a fluid comprisin...
2019 Invention Liquid-liquid mass transfer process and apparatus. A fiber bundle liquid-liquid contactor may com...
Invention Hydrogen sulfide removal process. A process is presented to treat a process stream containing a h...
Invention Hydrogen sulfide removal process by use of a sulfur dye catalyst. A process is presented where a ...
2017 Invention Oxidation process. A process for the removal of residual sulfur compounds from rich liquid causti...
2013 Invention Treating sulfur containing hydrocarbons recovered from hydrocarbonaceous deposits. In a process t...
Invention Contactor and separation apparatus and process of using same. In an improved fiber-film type cont...
2012 Invention Apparatus for treating a waste stream. An integrated unit operations for the treatment of a waste...
Invention Apparatus for treating a waste stream. An integrated unit operations for the treatment of a wast...
Invention Hydrocarbon treatment process. In a catalytic treatment process, mercaptans in sour hydrocarbon a...
2011 Invention High pressure reduction-oxidation desulfurization process. An improved process for reduction-oxid...
Invention Sulfone removal from an oxidized hydrocarbon fuel. A one-step process for desulfurizing an oxidiz...
Invention Separation process. A separation process for separating two or more immiscible liquids using cont...
Invention Flow control method and apparatus for a continuous multiple zone mass transfer. An apparatus and ...
2010 Invention Three phase sulfur separation system with interface control. A liquid separator system having a g...
Invention A method and a solution for treating hydrocarbon containing mercaptans. In a catalytic treatment ...
2009 Invention Hydrocarbon treatment process. In a catalytic treatment process, mercaptans in sour hydrocarbon ...
2008 Invention Removal of residual sulfur compounds from a caustic stream. A process for the removal of residual...
Invention Improved separation process. A separation process for separating two or more immiscible liquids u...
2006 Invention Process for post-treatment of amine-based preservative-treated wood. Water-borne amine-based pre...
2003 Invention Indirect heating furnace. An indirect heating furnace heats a substance in a reaction tube with a...
Invention Catalysts and process for converting fuel gases to gasoline. A process for alkylation of olefin-c...
2002 Invention Liquid hydrocarbon treatment method. The invention relates to a method for treating and upgrading...
Invention Continuous naphtha treatment method. The invention relates to a method for treating naphtha, such...
Invention Composition and control method for treating hydrocarbon. The invention relates to a composition a...
Invention Liquid hydrocarbon treatment method. (a) contacting the hydrocarbon, in the essential absence of ...
Invention Naphtha desulfurization method. The invention relates to a method for desulfurizing naphtha boili...
Invention Composition and control method for treating hydrocarbon. 10S=90 g/mole) and higher, such as recom...
Invention Continuous liquid hydrocarbon treatment method. The invention relates to a method for treating an...
1999 Invention Method for continuously producing thiosulfate ions. A process is provided for the removal of hydr...
1998 Invention Indirect-fired, all ceramic pyrochemical reactor. The present invention is directed to an indirec...