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| Number | Title | Issue Date |
| 7012120 | Reworkable compositions of oxirane(s) or thirane(s)-containing resin and curing agent This invention relates to thermosetting resin compositions useful for mounting onto a circuit board semiconductor devices, such as CSPs, BGAs, LGAs and the like, each of which having a semiconductor chip, such as LSI, on a carrier substrate. The compositions of this... | 03/14/2006 |
| 6982349 | Process for producing atenolol of high optical purity The present invention relates to an improved process for producing optically active (S)-atenolol of formula (1) in high optical purity by reacting a phenol with an epichlorohydrin. ... | 01/03/2006 |
| 6399767 | Intermediates for the synthesis of vitamin D and steroid derivatives and process for preparation thereof A process for preparing a compound having structure (I) wherein n is an integer from 1-5; each of R1 and R2 independently is optionally substituted C1 -C6 alkyl; each of W and X is independently hydrogen or C | 06/04/2002 |
| 6392064 | Method of synthesizing glycidyl ether compounds in the absence of water and organic solvents The present invention relates to a method of synthesizing glycidyl ether compounds without the addition of solvent. In particular, the present invention provides the improved preparation of the glycidyl ethers by using fatty alcohols with epichlorohydrin ... | 05/21/2002 |
| 6372923 | Process for preparing alcohol derivatives The present invention provides a process for preparing an alcohol derivative, where the alcohol derivative is an ester, acetal, ketal, ether glycoside, or alkyl glycoside, by reacting an alcohol with a carbonyl compound, alcohol, olefin, epoxy compound or... | 04/16/2002 |
| 6288248 | Epichlorohydrin-based product and process for manufacturing this product Epichlorohydrin-based product containing at least 99.9% by weight of epichlorohydrin and a total amount of chloro impurities of less than or equal to 150 ppm by weight, and process for manufacturing this product by reaction of allyl chloride with a peroxi... | 09/11/2001 |
| 6222054 | Method for producing epoxy resin The method for producing an epoxy resin involving the steps of: reacting at least one phenol compound with at least one aldehyde compound to obtain a novolak resin; storing the novolak resin in a molten state in an inert gas atmosphere; feeding the stored... | 04/24/2001 |
| 6218430 | Vitamin D3 mimics The present invention relates to non-secosteroidal compounds which activate and modulate the vitamin D receptor (VDR). Because compounds of the present invention display many of the beneficial properties of 1,25(OH)2 D3, but with red... | 04/17/2001 |
| 6207845 | Aluminum compounds and use thereof An aluminum compounds represented by the following general formula (1): Al(R1 --SO3)1 (R2)m (R3)n (1) wherein R1 is a hydrocarbon group which may be substituted, R2 is ... | 03/27/2001 |
| 6087512 | Process for preparation of glycidyl ether A process for preparation of a glycidyl ether which is characrelized in reacting an epoxy compound of the formula ##STR1## wherein X is halogen or sulfonyloxy in the presence of a fluoride salt, with an alcohol. According to the above method, glycigy... | 07/11/2000 |
| 5728796 | Process to react epoxide-containing compounds and aliphatic alcohols A process reaction between: (1) a compound that contains one or more epoxide moieties per molecule, and (2) a compound that contains one or more primary aliphatic hydroxyl groups per molecule; is catalyzed by: (3) a catalyst compound containing one or mor... | 03/17/1998 |
| 5616800 | Dicationic and polycationic monoprimary alcohols and derivatives thereof This invention relates to novel dicationic and polycationic monoprimary alcohol compounds and their derivatives, represented by the formula ##STR1## wherein each alk is independently alkyl of 1-8 carbon atoms; each ALK is independently alkyl of 1-8 c... | 04/01/1997 |
| 5420312 | Glycidyl ether from alcohol and epichlorohydrin A process for the production of glycidyl ether of an aliphatic, cycloaliphatic or araliphatic primary or secondary alcohol, comprising: A) reacting epichlorohydrin with a molar excess of the alcohol in the presence of a Lewis acid catalyst; optionally B) dehyd... | 05/30/1995 |
| 5342903 | Process for the preparation of adducts of epoxides and alcohols A process for the preparation of adducts by reacting an alcohol with an epoxy compound in the presence of a catalyst, which comprises reacting an alcohol of formula I ##STR1## wherein A is an aliphatic, cycloaliphatic or araliphatic radical and r is ... | 08/30/1994 |
| 5245048 | Production of glycidyl compounds A process for the production of a glycidyl ether of an alcohol, comprising reacting an alcohol with epichlorohydrin, in substantially the stoichiometric proportions required to produce the 1:1 adduct, in the presence, as catalyst, of a salt of perchloric ... | 09/14/1993 |
| 5242996 | Modified epoxy resins having acetylenically unsaturated functions A modified epoxy resin or compound of the formula: ##STR1## wherein A is the backbone reside of a glycidyl ether epoxy resin with removal of the glycidyloxy groups; R1 and R2 are independently a hydrogen atom or C1 -C... | 09/07/1993 |
| 5239093 | Process for the preparation of addition products of epoxides and alcohols The present invention relates to the preparation of di-secondary alcohols comprising the reaction of an alcohol and a diglycidyl ether of a dihydric phenol in the presence of a catalyst of the formula (IV): MX ... | 08/24/1993 |
| 5227502 | Fluorinated glycidyl ethers and method of making Novel fluorinated unsaturated glycidyl ethers are prepared by reacting 1,1,1-trifluoro-2-trifluoromethyl-3-buten-2-ol or 1,1,1-trifluoro-2-trifluoromethyl-4-propen-2-ol with chloromethyloxirane in the presence of onium salts. The fluorinated unsaturated g... | 07/13/1993 |
| 5162547 | Process for the preparation of glycidyl ethers An improved process for the preparation of glycidyl ethers of formula I ##STR1## wherein Q is an aliphatic, cycloaliphatic or araliphatic radical of a valency m, R is --H or --CH3, and m is an integer from 1 to 10, by reacting an alcohol of for... | 11/10/1992 |
| 5128491 | Process for the preparation of glycidyl ethers of di-secondary alcohols with high monomer content The present invention relates to a process for the preparation of a glycidyl ether of a di-secondary alcohol with a monomer content of about 80% to about 90% of the formula (I) ##STR1## comprising the steps of: (a) reacting a di-secondary alcohol of ... | 07/07/1992 |
| 4924013 | Process for the reduction of free epichlorohydrin in epoxy compounds A process for the reduction of free epichlorohydrin in epoxy compounds which involves the treatment of an epoxy compound with an alkali metal sulfite, preferably sodium sulfite.... | 05/08/1990 |
| 4810808 | Process for preparing polyglycidyl compounds A process for preparing a polyglycidyl compound in which an aromatic hydroxycarboxylic acid having phenolic hydroxyl group is reacted with an epihalohydrin in the presence of a phase transfer catalyst and the dehydrohalogenation is then conducted by actin... | 03/07/1989 |
| 4778863 | Preparation of epoxy resins having low undesirable halogen content Glycidyl derivatives of compounds containing --OH, --NH2 and/or --COOH groups are prepared by reacting in the presence of a mixture of solvents, at least one of which is a polar aprotic solvent, an excess of an epihalohydrin with a compound con... | 10/18/1988 |
| 4661644 | Brominated epoxyaromatic compounds Novel ring-brominated derivatives of the diepoxides of tetraalkyl dihydroxydiaromatic compounds, e.g., the diglycidyl ether of 3,5-dibromo-4-(2-(2-bromo-4-hydroxy-3,5-dimethylphenyl)ethyl)-2,6-dimethyl phenol.... | 04/28/1987 |
| 4624975 | Process for stabilizing the hydrolyzable chloride content in epoxy resins The hydrolyzable halide content of glycidyl ethers prepared by dehydrohalogenating a halohydrin ether intermediate product in the presence of an organic solvent, washing the resultant product with water and distilling the solvent from the organic phase fr... | 11/25/1986 |
| 4623701 | Multifunctional epoxy resins Multifunctional epoxy resins are prepared by reacting (1) a polyglycidyl ether of a polyhydroxyl-containing material said glycidyl ether having an average of at least 0.05 aliphatic hydroxyl group per molecule and an average of more than one glycidyl ethe... | 11/18/1986 |
| 4474944 | Epoxidized polyether and process for producing the same An epoxidized polyether, characterized by containing oxytetramethylene units and having in one molecule 0.9 or more epoxy groups on the average represented by the general formula (I): ##STR1## wherein R1 and R2, which may be the... | 10/02/1984 |
| 4465815 | Polyhydroxy oligomers for high solids coatings II A novel polyhydroxy oligomer crosslinkable with amine-aldehyde to form a coating composition adapted for use as an automotive topcoat which upon curing forms a hard, glossy, durable coating with outstanding weatherability and excellent resistance to solve... | 08/14/1984 |
| 4276406 | Catalyst for reacting phenolic hydroxyl groups with epoxy groups Catalysts for reacting vicinal epoxides with an aromatic hydroxyl-containing material result from the treatment of a solid substrate containing a plurality of ion-exchangeable cations with a polymer containing a multiplicity of quaternary onium cations in... | 06/30/1981 |
| 4273921 | Water-soluble epoxy resins and process for their preparation This invention is concerned with water-soluble epoxy resins represented by the general formula ##STR1## wherein A and B are independently selected from the group consisting of hydrogen and the ##STR2## radical, X is a halogen having an atom... | 06/16/1981 |
| 4250100 | Water-soluble epoxy resins and process for their preparation This invention is concerned with water-soluble epoxy resins represented by the general formula ##STR1## wherein A and B are independently selected from the group consisting of hydrogen and the ##STR2## radical; X is a halogen having an atom... | 02/10/1981 |
| 4176124 | Silicon-modified phthalic acid derivatives The invention relates to Si-modified phthalic acid derivatives (acids, esters and anhydrides) of the formula I ##STR1## in which R1 and R2 independently of one another are --OH, alkoxy with 1-12 C atoms or phenoxy or R1 | 11/27/1979 |
| 4168273 | Method for the preparation of glycidyl 2,2-dinitro-2-fluoroethoxide A method for synthesizing glycidyl 2,2-dinitro-2-2 fluoroethoxide which comprises adding sodium hydroxide to a reaction mixture of epibromohydrin and 2,2-dinitro-2-fluoroethanol in the presence of carbon tetrachloride as a solvent for the reaction mixture... | 09/18/1979 |
| 4110354 | Water-soluble epoxy resins and process for their preparation This invention is concerned with water-soluble epoxy resins represented by the general formula ##STR1## wherein A and B are independently selected from the group consisting of hydrogen and the ##STR2## radical; X is a halogen having an atom... | 08/29/1978 |
