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Celanese International Corporation
Celanese International Corporation_20131212

Celanese International Corporation patents


Recent patent applications related to Celanese International Corporation. Celanese International Corporation is listed as an Agent/Assignee. Note: Celanese International Corporation may have other listings under different names/spellings. We're not affiliated with Celanese International Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "C" | Celanese International Corporation-related inventors


Processes for producing an acetic acid product having low butyl acetate content

A process for producing an acetic acid product having low butyl acetate content via a carbonylation reaction. The carbonylation reaction is carried out at a temperature from 100 to 300° C., a hydrogen partial pressure from 0.3 to 2 atm, and a metal catalyst concentration from 100 to 3000 wppm,... Celanese International Corporation

Aqueous cross-linkable polymer dispersions

An aqueous cross-linkable copolymer dispersion is formed by emulsion polymerization of a monomer mixture comprising at least one ethylenically unsaturated main monomer and at least one 1,3-dicarbonyl functionalized monomer and lysine or a salt thereof.... Celanese International Corporation

Cellulose acetate film forming compositions

A cellulose acetate lacquer composition comprises a film forming composition and a diluent. The film forming compositions comprise cellulose acetate, a plasticizer, a secondary film former, and at least one organic solvent. The lacquer compositions may be used in a method of providing a finish or protective cover on at... Celanese International Corporation

Processes for producing acetic acid

Process for producing acetic acid are disclosed in which a vapor sidedraw is withdrawn from the second column in the primary purification train. The vapor sidedraw comprises acetic acid and lithium-containing compounds at a concentration of no more than 100 wppb. A bottoms stream that is enriched in lithium-containing compounds,... Celanese International Corporation

Processes for purifying acetic and hydrating anhydride

Processes for purifying acetic acid by distilling a process in a column in which acetic anhydride is formed in the lower portion of the column. The product stream withdrawn from the column comprises acetic acid, water at a concentration of no more than 0.2 wt. %, and acetic anhydride at... Celanese International Corporation

Aqueous latex-based coating compositions

An aqueous coating composition comprises (a) an aqueous polymer dispersion formed by emulsion polymerization of at least one ethylenically unsaturated monomer in the presence of a chain transfer agent, wherein the polymer has a Fikentscher K value less than 60; (b) at least one organic pigment; and (c) at least... Celanese International Corporation

Carpet coating compositions

An aqueous carpet coating composition comprises: (A) at least one particulate filler material; and (B) a stabilized copolymer dispersion comprising: (a) a copolymer formed by emulsion polymerization of a monomer mixture comprising a vinyl ester of an alkanoic acid having 1 to 18 carbon atoms and 1 to 25 pphm... Celanese International Corporation

Agricultural adjuvants and processes for making and using same

An agricultural spray pre-mix composition, comprising from 0.01 wt % to 40 wt % of an agricultural spray adjuvant comprising a vinyl ester-based or vinyl acrylate-based polymer dispersion and greater than 15 wt % of a plasticizer and from 1 wt % to 50 wt % of a water conditioning... Celanese International Corporation

Processes for producing acetic acid

A process for producing acetic acid is disclosed in which the water concentration is controlled in the side stream between two columns. Controlling the water concentration by the liquid light phase recycle controls the hydrogen iodide concentration in the side stream to be less than 50 wppm.... Celanese International Corporation

Process for flashing a reaction medium

A process for producing acetic acid is disclosed in which the methyl iodide concentration is maintained in the vapor product stream formed in a flashing step. The methyl iodide concentration in the vapor product stream ranges from 24 to less than 36 wt. % methyl iodide, based on the weight... Celanese International Corporation








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