Class / Patent application number | Description | Number of patent applications / Date published |
564315000 | Two aryl rings or ring systems bonded directly to the same carbon | 16 |
20140213822 | TRIPHENYLAMINE DERIVATIVE, AND CHARGE TRANSPORT MATERIAL AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR USING THE SAME - Disclosed is a triphenylamine derivative represented by general formula (1): | 07-31-2014 |
20150353472 | COLORING MATERIAL AND METHOD FOR PRODUCING THE SAME - The present invention is to provide a color material with excellent dyeing property and excellent heat resistance, and a method for producing the color material, which is able to obtain the color material with high purity and at high yield. Disclosed is a color material represented by the following general formula (I): | 12-10-2015 |
564316000 | Amino nitrogen attached to the carbon by an acyclic carbon or chain | 5 |
20080234516 | Processes for preparing solid states of O-desmethylvenlafaxine succinate - Provided are processes for the preparation of amorphous O-desmethylvenlafaxine and for the preparation of crystalline forms I, II, III, and IV of O-desmethylvenlafaxine. | 09-25-2008 |
20100286446 | Method of Obtaining 3,3-Diphenylpropylamines - The invention relates to a method of obtaining 3,3-diphenylpropylamines (I), wherein R | 11-11-2010 |
20120123162 | TRANSDERMAL COMPOSITION COMPRISING TOLTERODINE - A transdermal composition comprising tolterodine having improved storage stability is disclosed. The transdermal composition comprising tolterodine contains an antioxidant to stabilize tolterodine and can be stored for a long period of time. | 05-17-2012 |
564319000 | Oxygen, carbonyl or carbon to carbon unsaturation in the chain; or ether, carbonyl, carbon to carbon unsaturation or hydroxy, bonded directly to carbon, is part of a substituent bonded directly to the acyclic carbon or chain (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal) | 1 |
20140350302 | (R)-6-(DIMETHYLAMINO)-4,4-DIPHENYLHEPTAN-3-ONE - (R)-6-(dimethylamino)-4,4-diphenylheptan-3-one and a process to produce thereof. | 11-27-2014 |
564320000 | Hydroxy or ether oxygen bonded directly to the carbon (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal) | 1 |
20100121108 | PROCESS FOR SYNTHESIZING DESVENLAFAXINE FREE BASE AND SALTS OR SOLVATES THEREOF - The invention relates generally to an improved process for manufacturing desvenlafaxine free base and salts or solvates thereof. | 05-13-2010 |
564322000 | The carbon is a ring member of an alicyclic ring or ring system | 1 |
20140066656 | SPIRO COMPOUNDS AND THEIR USE IN ORGANIC ELECTRONICS APPLICATIONS AND DEVICES - The present invention relates 9,9′-spirobifluorene compounds of general formula I | 03-06-2014 |
564330000 | Diamino diphenyl methanes (i.e., two phenyls, each having amino nitrogen bonded directly thereto, bonded directly to the carbon) | 8 |
20110282099 | PROCESS FOR THE PRODUCTION OF METHYLENE-BRIDGED POLYPHENYL POLYAMINES - A process for providing methylene-bridged polyphenyl polyamines from aniline and formaldehyde according to the invention comprises the subsequent steps of | 11-17-2011 |
20120078015 | Chemical Installation - According to the present invention, a chemical installation is provided. The chemical installation comprises A first unit for providing a first aqueous waste stream comprising nitrobenzene; At least a second unit for providing a second aqueous waste stream comprising aniline. The chemical installation comprises an aniline cleaning apparatus for removing nitrobenzene from aniline, and further comprising a stripping column for stripping aniline from an aqueous stream. The first and second aqueous waste stream are provided to the stripping column, stripping aniline and nitrobenzene from the first and the aqueous waste stream, and the stripped aniline and nitrobenzene is provided to the aniline cleaning apparatus. | 03-29-2012 |
20140135528 | Chemical Installation - According to the present invention, a chemical installation is provided. The chemical installation comprises
| 05-15-2014 |
564331000 | Preparing by reacting carbonyl containing compound with amino nitrogen containing compound | 5 |
564332000 | Solid catalyst utilized | 1 |
20100317893 | METHOD FOR PRODUCING DIAMINODIPHENYL ALKANES - The invention relates to a method for producing diaminodiphenyl alkanes, wherein an aromatic amine, which can be substituted or unsubstituted, is reacted with a C1-C3 aldehyde in the presence of a heterogeneous catalyst, said catalyst being a mesoporous acidic ion exchanger based on a divinylbenzene/styrene copolymer and the catalyst having acid centers in a concentration of 2 to 6 eq/kg measured according to DIN 54 403 and the average pore diameter of the catalyst particles being 10 to 32 nm measured according to ASTM D 4222, and the content of polynuclear compounds in the reaction mixture being >10 and ≦15% by weight. | 12-16-2010 |
564333000 | Hydrochloric acid utilized | 4 |
20100105951 | PROCESS FOR PREPARING DIPHENYLMETHANEDIAMINE - The invention provides a process for preparing diphenylmethanediamine, comprising the steps of
| 04-29-2010 |
20110065960 | METHOD FOR PRODUCING DIPHENYLMETHANE DIAMINE - The invention relates to a process for preparing mixtures of diphenylmethanediamine and polyphenylenepolymethylenepolyamines, which comprises the steps | 03-17-2011 |
20120035396 | PROCESS FOR PREPARING MDA VIA THE STAGE OF THE AMINAL - The invention relates to a process for preparing methylenediphenyldiamine (MDA), comprising the following steps a) to c):
| 02-09-2012 |
20120046497 | METHOD FOR PRODUCING COLOR-STABLE MDA AND MDI - The invention relates to a process for preparing methylenediphenyldiamine (MDA) by reacting formaldehyde and aniline in the presence of an acidic catalyst, wherein the oxygen content in the process for preparing MDA is <10 000 ppm, based on all compounds present in the process. | 02-23-2012 |