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Class Information
Number: 568/603
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Ethers > Plural oxygens bonded directly to the same carbon (e.g., acetals, ketals, orthoesters, orthocarbonates, etc.) > Acyclic > At least three oxygens containing > Plural acetal or ketal groups (e.g., tetraacetals, etc.)
Description: Compounds which contain two or more carbons having two or more oxygens bonded directly thereto.










Patents under this class:
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Patent Number Title Of Patent Date Issued
7550541 Resin composition and molded article, film and fiber each comprising the same Jun. 23, 2009
7211698 Method for processing compositions containing 1,1,2,2-tetramethoxyethane and glyoxal dimethyl acetal May. 1, 2007
6713656 Preparation of diacetals of glyoxal Mar. 30, 2004
6673971 Preparation of 1,1,4,4-tetramethoxy-2-butene Jan. 6, 2004
6407291 Preparation of 1,1,4,4-tetramethoxy-2-butene Jun. 18, 2002
6395914 Process for preparing acetals of malondialdehyde May. 28, 2002
6355844 Process for the preparation of malondialdehyde-derivatives Mar. 12, 2002
6156937 Functionalized fluoropolyethers Dec. 5, 2000
5726276 Process for preparing polyacetal copolymer Mar. 10, 1998
5714637 Functionalized fluoropolyethers Feb. 3, 1998
5672767 Process for preparing polyether compounds Sep. 30, 1997
5557012 Fluorination of acetals, ketals and orthoesters Sep. 17, 1996
5543567 Fluorination of acetals, ketals and orthoesters Aug. 6, 1996
5523496 Fluorination of acetals, ketals and orthoesters Jun. 4, 1996
5476918 Fluorine-containing compounds having polyacetalic structure, and process for preparing them Dec. 19, 1995
5446205 Functionalized fluoropolyethers Aug. 29, 1995
5338888 Preparation of E,Z-butenedial bis(dialkyl acetals) Aug. 16, 1994
5319147 Process for the neutralization of perfluoropolyoxyalkylenes Jun. 7, 1994
5300683 Fluorination of acetals, ketals and orthoesters Apr. 5, 1994
5254744 Preparation and purification of poly(tetramethylene ether) formal glycols and poly(oxybutylene formal) glycols Oct. 19, 1993
5216051 Polyolefins containing polyol nucleating agents and articles formed therefrom Jun. 1, 1993
5202501 Perfluoropolyethers Apr. 13, 1993
5079023 Foodstuffs containing aldehyde generators Jan. 7, 1992
5075509 Fluorination of orthocarbonates and polyalkoxy propanes Dec. 24, 1991
5053536 Fluorination of acetals, ketals and orthoesters Oct. 1, 1991
5025093 Pyrolysis of perfluoropolyethers Jun. 18, 1991
4992592 1-fluoro-1-halo-3,6-dioxabicyclo [4.1.0]heptane preparation, process and use Feb. 12, 1991
4973762 Process for production of polyfluoroiodide Nov. 27, 1990
4900324 Agents for non-formaldehyde durable press finishing and textile products therefrom Feb. 13, 1990
4894484 Pyrolysis of perfluoropolyethers Jan. 16, 1990
4889939 Fluoropolyethers containing end groups endowed with anchoring capacity Dec. 26, 1989
4877905 Polyether compounds and their preparation Oct. 31, 1989
4847427 Process for preparing fluorocarbon polyethers Jul. 11, 1989
4827042 Perfluoropolyethers May. 2, 1989
H604 Method of preparing 2,4,4,5,5,6,6-heptafluoro-2-trifluoromethyl-3-oxaheptane-1,7-diol polyformal Mar. 7, 1989
4757145 Fluoropolyethers containing end groups endowed with anchoring capacity Jul. 12, 1988
4749816 Chemical process Jun. 7, 1988
4743401 Conversion of an allylic ether to its corresponding acetal May. 10, 1988
4740628 2,4,4,5,5,6,6-heptafluoro-2-trifluoromethyl-3-oxaheptane-1,7-diol polyformal and method of preparation Apr. 26, 1988
4675452 Perfluorinated polyether fluids Jun. 23, 1987
4658069 Conversion of allyl ethers to acetals Apr. 14, 1987
4657687 Lubricating compositions having improved film-forming properties Apr. 14, 1987
4524202 Process for the preparation of 1,1'-diacetals Jun. 18, 1985
4518785 Malondialdehyde tetraalkylacetals and their preparation May. 21, 1985
4513144 Acetal purification with superoxides Apr. 23, 1985
4506069 Low vulnerability gun propellant Mar. 19, 1985
4491676 Acid addition to aqueous dialdehyde solutions Jan. 1, 1985
4418217 Mixed formals of polyglycol ethers Nov. 29, 1983
4410733 Preparation of acetals of malonaldehyde Oct. 18, 1983
4409402 Tert.-butoxybutanals, tert.-butoxybutanols, bis-tert.-butoxypentanals and bis-tert.-butoxypentanols Oct. 11, 1983

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