Famous Patents
The first commercial microwave oven was nearly 6 feet tall and weighed in at 750 pounds.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7582799 | Method for producing hydrazone derivatives The present invention provides an industrially advantageous process for producing hydrazone derivative represented by the formula (5), which is shown by the following reaction formula. ... | 09/01/2009 |
| 7476766 | Bis(3-alkoxypropan-2-ol) sulfides, sulfoxides, and sulfones: new preparative methods Compounds according to formula (I) wherein Z is S, SO, or SO2, may be prepared by a process that includes charging to a reactor hydrogen sulfide and an alkyl glycidyl ether according to formula (III), in the pres... | 01/13/2009 |
| 7241924 | Industrial process for the production of diphenyl sulfone compounds A process for producing 4-isopropoxy-4′-hydroxydiphenyl sulfone useful as the developer for leuco dyes to be used in thermosensible papers, which is excellent in productivity, economical efficiency and safety and permits the production of the compounds from consta... | 07/10/2007 |
| 7217740 | Diarylsulfones as 5-HT2A antagonists Compounds of formula I: are potent and selective antagonists of the human 5-HT2A receptor, and hence useful in treatment of a variety of adverse conditions of the CNS. ... | 05/15/2007 |
| 7189880 | Process for producing 2,4′-dihydroxydiphenylsulfone A process for producing 2,4′-dihydroxydiphenylsulfone which comprises separating 4,4′-dihydroxydiphenylsulfone by crystallization from a mixture containing 4,4′-dihydroxydiphenylsulfone, 2,4′-dihydroxydiphenylsulfone, phenolsulfonic acid and phenol which is ... | 03/13/2007 |
| 7157600 | Process for preparing (per) fluorohalogenethers A process for preparing (per)fluorohalogenethers containing the —SO2F group, having general formula (I): FSO2—R—CF2OCAF—CA′F2 (I) wherein: A and A′, e... | 01/02/2007 |
| 7098166 | Catalyst for preparing fluorine-containing alcohol compound and a process for preparation of fluorine-containing alcohol compound A process for preparing a fluorine-containing alcohol compound, the process comprising the step of reacting water with a halogenated fluorine compound in the presence of a catalyst for preparing a fluorine-containing alcohol compound, the catalyst obtained by suppor... | 08/29/2006 |
| 7087788 | Fluorosulfone compounds The present invention relates to new fluorosulfone compounds. These fluorosulfone compounds have utility in preventing, controlling and extinguishing fire. ... | 08/08/2006 |
| 7041409 | Low equivalent weight ionomer An ionomer and a process for forming the ionomer such that the ionomer has (1) low equivalent weight; below 950, preferably between 625 and 850, and most preferably between about 700 and about 800; and (2) high conductivity, (greater than 0.15 S/cm). In an alternati... | 05/09/2006 |
| 7022428 | Low equivalent weight ionomer An ionomer and a process for forming the ionomer such that the ionomer has (1) low equivalent weight; below 950, preferably between 625 and 850, and most preferably between about 700 and about 800; and (2) high conductivity, (greater than 0.15 S/cm). In an alternati... | 04/04/2006 |
| 6822120 | Sulfone liver X-receptor modulators The present invention is directed to selective LXR modulators, small molecule compounds corresponding to Formula I and is further directed to a process of treating a condition in a mammal that is modulated by LXR using a therapeutically effective dose of a compound ... | 11/23/2004 |
| 6806387 | Process for preparation of allyl sulfone derivatives and intermediates for the preparation The present invention relates to a process for producing an allyl sulfone derivative represented by the formula (3): wherein Ar is an optionally substituted aryl group, and the corrugated line means either one of E/Z g... | 10/19/2004 |
| 6784321 | Process for producing retinol and intermediate compounds for producing the same There are disclosed a disulfone compound of formula (1): wherein Ar denotes an aryl group that may have a substituent, R1 denotes a hydrogen atom or a protective group of a hydroxyl group and the wavy line means that the... | 08/31/2004 |
| 6717008 | Derivatives of C2-substituted indan-1-ol compounds, methods for their preparation and use Derivatives of C2-substituted indan-1-ol compounds, processes for their preparation and their use are disclosed. In particular, the invention relates to compounds of the formula I and to their physiologically acceptable ... | 04/06/2004 |
| 6709645 | Synthesis of labeled metabolites The present invention is directed to labeled compounds, for example, isotopically enriched mustard gas metabolites including: [1,1′,2,2′-13C4]ethane, 1,1′-sulfonylbis[2-(methylthio); [1,1′,2,2′-13C4]ethane, 1-[[2... | 03/23/2004 |
| 6700020 | Semi-continuous method for producing 4,4'-dihydroxydiphenyl sulfone A semicontinuous process is provided for the preparation of 4,4'-dihydroxydiphenyl sulfone, comprising the following steps: (a) reaction of phenol with a sulfonating agent, (b) suspension of the resulting crude product in water heated to at least 40° ... | 03/02/2004 |
| 6660888 | Process for producing retinol and intermediate compounds for producing the same There are disclosed a disulfone compound of formula (1): ##STR1## wherein Ar denotes an aryl group that may have a substituent, R1 denotes a hydrogen atom or a protective group of a hydroxyl group and the wavy line means that the disulfone compound is an ... | 12/09/2003 |
| 6642416 | Process for the preparation of 2-[alkyl(aryl)]sulfonylbenzene-sulfonyl chlorides and their intermediates A process for the preparation of 2-[alkyl(aryl)]sulfonylbenzene sulfonyl chlorides of the following formula is provided: ##STR1## in which R is alkyl or aryl substituted at the ortho or meta positions with alkyl, aryl, NHAc or alkoxy, comprising the steps... | 11/04/2003 |
| 6583321 | 4'-methanesulfonyl-biphenyl derivatives as a highly selective cyclooxygenase-2 inhibitor The present invention relates to a novel 4'-methanesulfonyl-biphenyl derivative having a structure of formula 1 and its pharmaceutically acceptable salts as a highly selective cyclooxygenase-2 inhibitor. ##STR1## Wherein, R1 and R | 06/24/2003 |
| 6495713 | Synthesis of ketosulfone esters This invention encompasses a process for making a compound of Formula A ##STR1## These compounds are intermediates useful in the preparation of certain non-steroidal anti-inflammnatory agents.... | 12/17/2002 |
| 6486354 | Solid phase supports Embodiments of the present invention generally relate to carrying out organic chemistry on solid supports comprising derivatised functionalities, methods for synthesizing said supports, methods for synthesizing compounds comprising amine groups or N-conta... | 11/26/2002 |
| 6444857 | Process for producing vitamin A aldehyde and intermediate for producing the same There are disclosed an alcohol derivative of formula (1): ##STR1## wherein Ar is an optionally substituted aryl group and R is a straight or branched C1-C3 lower alkyl group, and the wavy line depicted by ##STR2## indicates a single bond and stereochemist... | 09/03/2002 |
| 6420607 | Cationically polymerizable compositions capable of being coated by electrostatic assistance Compositions containing conductivity enhancers, which are capable of being coated onto a substrate by means of electrostatic assistance. The compositions comprise one or more cationically polymerizable monomer(s), one or more cationic initiator(s), and on... | 07/16/2002 |
| 6388124 | Dihalo-compound and process for producing vitamin A derivative There is disclosed a dihalo-compound of formula (1): ##STR1## wherein X1 and X2 represent different halogen atoms, R represents a hydrogen atom or a protective group for a hydroxyl group, and a process for producing vitamin A derivative v... | 05/14/2002 |
| 6388139 | Production of perfluoro (alkyl vinyl) ethers A good yield, high reaction rate process is disclosed for the production of perfluoro(alkyl vinyl ethers). The process involves elimination of halogen, preferably chlorine, from carbon atoms and ଲ to an ether oxygen in an ,ଲ-dih... | 05/14/2002 |
| 6379590 | Method for making unsymmetrically substituted fluorenyl compounds for nonlinear optical applications A new method for producing unsymmetrically substituted fluorenyl compounds, one step of which is the preparation of 2,7-disubstituted fluoren-9-one derivatives via the nucleophilic substitution of a compound of the formula D ##STR1## wherein A' is se... | 04/30/2002 |
| 6365780 | Process for the preparation of aromatic or heteroaromatic sulphonyl chlorides Aromatic or heteroaromatic sulphonyl chlorides of the general formula I ##STR1## in which X may be a C or N, R1 may be fluorine, chlorine, bromine, nitro, methoxy, fluoromethoxy, difluoromethoxy, trifluoromethoxy, C1 -C4 alkyl ... | 04/02/2002 |
| 6355841 | Process for producing ଲ-carotene There are disclosed a process for producing a sulfon derivative of formula (1): ##STR1## wherein Ar represents an aryl group which may be substituted, R represents a lower alkyl group and the wavy line depicted by ##STR2## indicates a single bond and ste... | 03/12/2002 |
| 6331652 | Process for producing lycopene and intermediate thereof There are disclosed a sulfonaldehyde derivative of formula (2): ##STR1## a phosphonium salt of formula (3): ##STR2## processes for producing the same and a sulfone derivative of formula (4): ##STR3## a process for producing the same and a process for prod... | 12/18/2001 |
| 6297402 | Ketosulfone derivatives and process for producing the same There is provided a ketosulfone derivative represented by the formula (I): ##STR1## wherein Ar represents an aryl group which may be substituted, and R1 ' and R2 ' represent a hydrogen atom or a protective group of a hydroxyl group a... | 10/02/2001 |
| 6288242 | Processes and intermediates for preparing substituted chromanol derivatives The invention relates to processes for preparing a compound of the formula ##STR1## and the enantiomer of said compound, wherein the benzoic acid moiety is attached at position 6 or 7 of the chroman ring, and R1, R2, and R3 | 09/11/2001 |
| 6211411 | Process for producing retinal and intermediate for producing the same There are disclosed sulfone aldehyde derivatives of the Formula (1): ##STR1## wherein Ar is an optionally substituted aryl group, a process for producing retinal by using the same, and an intermediate for producing the sulfone aldehyde derivative.... | 04/03/2001 |
| 6160181 | Tetraene derivative and process for producing the same A tetraene derivative of the formula (1): ##STR1## wherein Ar represents an aryl group which may be optionally substituted with at least one substituent, and R1 and R2 are identical or different and represent a hydrogen atom, a ... | 12/12/2000 |
| 6118016 | Process for preparing phenoxyphenylsulfonyl halides A process for preparing phenoxyphenylsulfonyl halides, which are useful intermediates for the preparation of matrix metalloproteinase inhibitors.... | 09/12/2000 |
| 6114282 | Thermal recording material and novel crystal of bisphenol S derivative A heat-sensitive recording material in which a heat-sensitive color-developing layer comprising, as the main components, a usually colorless or light-colored color former and a developer capable of developing the color former upon heating on a support, ch... | 09/05/2000 |
| 6063932 | Process and intermediates for the preparation of oxazoline derivatives Arthropodicidal oxazoline derivatives and processes and intermediates for the preparation thereof are disclosed. The intermediates are racemic or enantiomerically enriched compounds having formula (I), wherein R and n are disclosed in the specification. ... | 05/16/2000 |
| 6046363 | Method of making 4-hydroxy-4'-benzyloxydiphenyl sulfone The present invention provides a method of making 4-hydroxy-4'-benzyloxydiphenyl sulfone. The manufacturing method of the present invention is characterized in that an aqueous solvent containing an appropriate amount of a lower alcohol is used as a reacti... | 04/04/2000 |
| 6037308 | Diphenyl sulfone crosslinking type compounds and recording materials using them Diphenyl sulfone crosslinking type compounds of general formula (1) and a recording material containing at least one of them. This recording material is excellent in the storage stability of colored images. ##STR1##... | 03/14/2000 |
| 6013649 | Thiol sulfone metalloprotease inhibitors This invention is directed to proteinase (protease) inhibitors, and more particularly to thiol sulfone inhibitors for matrix metalloproteinase 13(MMP-13), compositions of proteinase inhibitors, intermediates for the syntheses of proteinase inhibitors, pro... | 01/11/2000 |
| 5958822 | Modified fluorosulfonic acids This invention concerns modified fluorosulfonic acid compounds possessing a sulfonic acid fluoride, chloride or ester group or a sulfonic acid or a salt of a sulfonic acid group at one end and respectively a hydrolyzable or hydrolyzed silane group at the ... | 09/28/1999 |
