Patent application number | Description | Published |
20130140381 | ROTARY SWITCH OUTLET MECHANISM - The present invention discloses a rotary switch outlet mechanism, it comprises a fixed unit, a switch unit and two outlet terminals, the fixed unit is provided with an inlet that is communicated with the water resource ever-lasting and a second outlet, the first outlet terminal is connected to the fixed unit in a rotating manner and is provided with a first outlet, and the second outlet terminal is communicated with the second outlet, and the first outlet terminal is linked to the switch unit and is provided with two locating position with the fixed unit, water comes out of the first outlet terminal when it is at the first position, water comes out of the second outlet terminal when it is at the second position. The present rotary switch outlet mechanism achieves simple structure, bigger operating surface, easier assembly, multiple functions and more convenient and faster switching process. | 06-06-2013 |
20130167959 | BUTTON SWITCH THREE-WAY VALVE - A button switch three-way valve includes a fixation unit disposed with an inlet waterway and two outlet waterways. A priority valve is disposed between each outlet waterway and the inlet waterway. The on-off of the outlet waterway to the inlet waterway is controlled by the sliding of the valve shaft in each priority valve. The fixation unit is disposed with two control surfaces opposite to each other, each disposed with lock grooves. A button is disposed between the two control surfaces, with a central part and two connection parts in the two sides of the central part. The central part is pivot joint to the fixation unit. Two connection parts are separately connected to the two valve shafts to control the sliding of the two valve shafts, the exterior sides of the two connection parts are disposed with lock tooth to couple to the lock grooves. | 07-04-2013 |
20130248034 | PRESSING WATERWAY SWITCH MECHANISM - A pressing waterway switch mechanism has a valve body and a switch mechanism. The valve body is provided with an inlet waterway, a plurality of outlet waterways, a guiding shaft, a guiding slot and a third teeth group. The switch mechanism comprises a sector disk, a return spring and a pressing piece. A first teeth group is arranged on the circle center of the sector disk, the first teeth group is sleeved out of the guiding shaft in a relative sliding and rotating manner, and at least the switch of a plurality of outlet waterways can be achieved through the relative rotation between the sector disk and the valve body. The pressing piece is connected to the guiding slot in a sliding manner, of which the end is provided with a second teeth group. The first teeth group can couple with the second teeth group and the third teeth group. | 09-26-2013 |
20130327431 | BUTTON SWITCH OUTLET MECHANISM - The present invention discloses a button switch outlet mechanism, which is provided with a body communicating with the water source and in which at least two water passages are arranged, wherein, it is further provided with a switch unit and a water division unit mounted in the body, the switch unit comprises at least two switch buttons that are arranged to the control poles of the switch buttons and a limiting assembly respectively, the limiting assembly controls that one of the switch button is pressed or all the switch buttons are pressed simultaneously and located to the limiting plate; the water division unit is connected to the switch unit to control that the water passages are communicated with the water source respectively or simultaneously. The cooperation of the components of the present outlet mechanism is tight and artistic with effective and stable switch. | 12-12-2013 |
Patent application number | Description | Published |
20100286437 | PREPATATION METHOD OF RIVASTIGMINE, ITS INTERMEDIATES AND PREPARATION METHOD OF THE INTERMEDIATES - The present invention provides N-methylethylcarbamino-3-[(S)-1-(methyl-[(S)-1-phenylethyl]amino)ethyl]phenyl ester represented by formula (II) and its preparation method. The present invention also provides (S)-1-(3-methoxyphenyl)-N-methyl-N—[(S)-1-phenylethyl]ethylamine and 3-[(S)-1-(methyl-[(S)-1-phenylethyl]amino)ethyl]phenol as intermediates of the compound represented by formula (II), and the use of the compound represented by formula (II) for preparing rivastigmine used for treating Alzheimer disease. | 11-11-2010 |
20120095237 | Process for the Preparation of 4-(1-Hydroxy-1-Methylethyl)-2-Propyl-Imidazole-5-Carboxylates - The present invention discloses a process for obtaining 4-(1-hydroxy-1-methylethyl)-2-propyl-imidazole-5-carboxylate (formula I) by the reaction of 4,4-dimethyl-2-propyl-4,6-dihydrofuro[3,4-d]imidazole (formula II), or its hydrolysis product, or its ring-opening product, with alcohol under appropriate catalytic conditions. Furthermore, the present invention also provides a process for obtaining high purity 4,4-dimethyl-2-propyl-4,6-dihydrofuro[3,4-d]imidazole (formula II), therefore purified compound of formula I can be produced. Producing of olmesartan medoxomil at high purity is assured by said processes. R in formula I is selected from C | 04-19-2012 |
20140073809 | PREPARATION METHOD FOR RIVASTIGMINE, INTERMEDIATES THEREOF, AND PREPARATION METHOD FOR SAID INTERMEDIATES - The present invention provides the preparation method for (S)-3-(1-(dimethylamino)ethyl)phenyl ethyl(methyl)carbamate (formula X compound), the preparation methods for its intermediates (S)-1-(3-methoxyphenyl)-N,N-dimethyl-N—((S)-1-phenylethyl)ethanaminium (formula VI compound), (S)-1-(3-hydroxyphenyl)-N,N-dimethyl-N—((S)-1-phenylethyl)ethanaminium (formula VIII compound) and (S)-1-(3-(ethyl(methyl)carbamoyloxy)phenyl)-N,N-dimethyl-N—((S)-1-phenylethyl)ethanaminium (formula IX compound), as well as the method for using above mentioned formula IX compound to prepare rivastigmine which can be used for the treatment of Alzheimer's disease. The preparation method for rivastigmine has a reasonable synthetic design with convenient source of raw materials and high total yield, and the product resulted has high chemical and optical purity, which makes it easy for large-scale. industrial production. | 03-13-2014 |
20150038704 | METHOD FOR PREPARING RIVAROXABAN INTERMEDIATE - A method for preparing a Rivaroxaban intermediate I is presented, including the following step: in a non-protonic solvent, under the effect of lewis acid, performing cyclization reaction on 4-(4-phenyl isocyanate)morpholine-3-ketone (II) and (S)-epoxy compound (III), the reaction temperature ranging from 20° C. to 60° C., where R is amino replaced by amino protecting group. The preparation method of the present invention has a mild condition, a simple process, a low cost, and high efficiency; the product is easy to purify and the method is applicable to industrial production. | 02-05-2015 |
20150087828 | 4-SUBSTITUENT-2-HYDROXYLMORPHOLINE-3-ONE AND PREPARATION METHOD THEREOF - A molecule with neural activities, especially 4-substituent-2-hydroxymorpholin-3-one, as a new intermediate of neurokinin-1 receptor antagonist aprepitant, and preparation method thereof. | 03-26-2015 |