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Class Information
Number: 568/853
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Hydroxy containing (h of -oh may be replaced by a group ia or iia light metal) > Acyclic > Polyhydroxy > Polyalkylol substituted alkane (e.g., pentaerythritol, trimethylolethane, ect.)
Description: Compounds wherein two or more alkylol groups (-R-OH, where R is alkyl) are bonded directly to carbon, which carbon has no hydrogen bonded directly thereto.










Sub-classes under this class:

Class Number Class Name Patents
568/854 Purification or recovery 101


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8710278 Process for producing polyols Apr. 29, 2014
8519084 Use of a C11 diol or C11 diol mixture for producing polymers Aug. 27, 2013
8481061 Cosmetic composition Jul. 9, 2013
8410010 Process for the production of polyol base catalysts Apr. 2, 2013
8394998 Method of producing neopentyl glycol Mar. 12, 2013
8389778 Preparation of mannitol modification III Mar. 5, 2013
8367877 Methods of purifying 1,2,4-butanetriol Feb. 5, 2013
8354561 Trimethylolpropane color improvement Jan. 15, 2013
8293950 Method of preparing pentaerythritol Oct. 23, 2012
8232432 Specific branched aldehydes, alcohols, surfactants, and consumer products based thereon Jul. 31, 2012
8232431 Specific branched surfactants and consumer products Jul. 31, 2012
8101806 Granulated sorbitol and process for its preparation Jan. 24, 2012
8044249 Specific branched aldehydes, alcohols, surfactants, and consumer products based thereon Oct. 25, 2011
8003830 Method for improving the color number of trimethylolpropane Aug. 23, 2011
7994369 Specific polybranched polyaldehydes, polyalcohols, and surfactants, and consumer products based thereon Aug. 9, 2011
7888454 Substituted alditol compounds, compositions, and methods Feb. 15, 2011
7767865 Method for producing hydroxypivalaldehyde and neopentyl glycol Aug. 3, 2010
7713903 Carrier, a process for preparing the carrier, an olefin epoxidation catalyst, a process for preparing the catalyst, and a process for the production of an olefin oxide, A 1,2-diol, A 1,2-diol May. 11, 2010
7569736 Process for producing monopentaerythritol of high purity and monopentaerythritol produced by the process Aug. 4, 2009
7439406 Method for hydrogenating methylol alkanals Oct. 21, 2008
7335689 Dihydroxyl compounds and compositions for cholesterol management and related uses Feb. 26, 2008
7321070 Synthesis of isotopically labeled R- or S-[.sup.13C, .sup.2H] glycerols Jan. 22, 2008
7307194 Method for producing 1, 6 hexane diol Dec. 11, 2007
7301058 Method for increasing yield in the production of polyvalent alcohols by splitting by-products containing acetal Nov. 27, 2007
7253326 Method for preparing trimethylolproane Aug. 7, 2007
7211701 Preparation of trimethylolpropane May. 1, 2007
7157607 Manufacture of polytrimethylene ether glycol Jan. 2, 2007
7087800 Process for producing a polyol Aug. 8, 2006
7057080 Color index of multivalent alcohols by hydrogenation Jun. 6, 2006
6949684 Process for preparing 1,2,4-butanetriol Sep. 27, 2005
6809224 Method for the separation of formaldehyde from a reaction mixture containing polyols by the addition of solvents before and/or during the distillation Oct. 26, 2004
6787677 Hydrogenation of carbonyl compounds Sep. 7, 2004
6727395 Method for producing hexanediol Apr. 27, 2004
6692616 Method for purifying trimethylolpropane, which is produced by hydrogenation, by means of continuous distillation Feb. 17, 2004
6646170 Intermediates for the synthesis of ether compounds Nov. 11, 2003
6593502 Process for the preparation of polyols Jul. 15, 2003
6586641 Method for the decomposition of high boiling by-products produced in the synthesis of polyhydric alcohols Jul. 1, 2003
6552232 Process for conducting aldol condensation reactions in ionic liquid media Apr. 22, 2003
6538163 Method for reduction of substituted malonates to diols Mar. 25, 2003
6506947 Fluorinated diol and method for the production thereof Jan. 14, 2003
6441254 Process for preparing trimethylol compounds and formic acid Aug. 27, 2002
6433192 Method for producing mixtures of 1,4-butanediol, tetrahydrofuran and .gamma.-butyrolactone Aug. 13, 2002
6387033 Preparation of new layered double hydroxides exchanged with osmate for asymmetric dihydroxylation of olefins to vicinal diols May. 14, 2002
6376725 1,3 butylene glycol of high purity and method for producing the same Apr. 23, 2002
6369281 Process for the production of 2-butyl-2-ethyl-1,3-propanediol Apr. 9, 2002
6365789 Pulverulent sorbitol and its process of preparation Apr. 2, 2002
6350923 Hydrogenation of aldehydes Feb. 26, 2002
6344592 Method of producing highly pure trimethylolpropane Feb. 5, 2002
6316679 Treatment of a composition comprising a trimethylolalkane bis-monolinear formal Nov. 13, 2001
6294705 Method for producing alkali metal alcoholates Sep. 25, 2001

1 2 3 4










 
 
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