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Class Information
Number: 568/829
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) > Six-membered alicyclic ring containing > Menthols (h of -oh may be replaced by a group ia or iia light metal)
Description: Compounds wherein a methyl group and an isopropyl group are bonded directly to the ring.

Sub-classes under this class:

Class Number Class Name Patents
568/830 Preparing by reduction (e.g., by hydrogenation, etc.) 55

Patents under this class:

Patent Number Title Of Patent Date Issued
8568776 Multiparticulate L-menthol formulations and related methods Oct. 29, 2013
8414744 Continuous process for preparing menthol in pure or enriched form Apr. 9, 2013
8288593 Menthol flakes and method for producing the same Oct. 16, 2012
8003829 Recovery of phenol ligands during the production of isopulegol Aug. 23, 2011
7868211 Method for the production of enriched isopulegol Jan. 11, 2011
7816566 p-Menthan-3-ol alkylated derivatives and their use as refreshing agents Oct. 19, 2010
7709688 Method for the production of menthol May. 4, 2010
7608742 Diarylphenoxy aluminum compounds Oct. 27, 2009
7459587 Process for purifying menthol Dec. 2, 2008
7301057 Process for preparing TCD-alcohol DM Nov. 27, 2007
6956139 (1R, 2S, 5R)-3-1-menthoxyalkan-1-OL cooling sensate Oct. 18, 2005
6407293 Process for producing 3-1-menthoxypropane-1,2-diol Jun. 18, 2002
6177596 Highly acidic microporous synergistic solid catalyst and its applications Jan. 23, 2001
5756864 Process for preparing D,L-menthol from D-menthol May. 26, 1998
5750803 Process for the preparation of D,L-menthol May. 12, 1998
5714642 Resolution of immixtures of stereoisomeric alcohols Feb. 3, 1998
5663460 Liquid l-n-menthol composition and process for preparing the same Sep. 2, 1997
5300706 Process for the preparation of d,1-menthol Apr. 5, 1994
5019658 Separation of pure optical stereoisomers by pressure crystallization May. 28, 1991
4874473 Separation of diastereomers by extractive distillation Oct. 17, 1989
4701542 Resolution of hemiacetals and alcohols Oct. 20, 1987
4433183 Process for the preparation of (+)-p-mentha-2,8-dien-1-ol Feb. 21, 1984
4418225 Resolution of d,1-menthol Nov. 29, 1983
4348543 Cycloaliphatic alcohols Sep. 7, 1982
4134919 Process for producing menthone Jan. 16, 1979
4122291 Method for the production of alken-2-ol-1 or of alken-2-ol-1 and alkanol-1 Oct. 24, 1978
4011270 Recrystallized menthol product and method of making Mar. 8, 1977
3943181 Separating optically pure d-l-isomers of menthol, neomenthol and isomenthol Mar. 9, 1976

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