Feiyu
Feiyu Feng, Hangzhou CN
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20150080392 | QUINAZOLINE DERIVATIVE, COMPOSITION HAVING THE DERIVATIVE, AND USE OF THE DERIVATIVE IN PREPARING MEDICAMENT - A class of quinazoline derivatives or pharmaceutically acceptable salts or solvates thereof with novel structures is provided; meanwhile, a pharmaceutical composition comprising a pharmaceutically effective amount of said quinazoline derivatives or pharmaceutically acceptable salts or solvates thereof, and pharmaceutically acceptable excipients or additives is also provided. By modifying and transforming the quinazoline and screening of the transformed compounds on the activity of tyrosine kinase inhibition, most of the compounds have been found to possess inhibitory activity against one or several of EGFR, VEGFR-2, c-erbB-2, c-erbB-4, c-met, tie-2, PDGFR, c-src, lck, Zap70 and fyn kinases. The present invention has the advantages of reasonable design, broad source of and easy access to the raw materials, simple and easy operation of the preparation methods, mild reaction conditions, high yield of the products and being beneficial for industrial-scale production. | 03-19-2015 |
20150183747 | Pharmaceutical Compositions - The present invention is directed to pharmaceutical compositions comprising: (a) a cyclopolysaccharide and (b) a compound of Formula (I) or its pharmaceutical acceptable salt: | 07-02-2015 |
Feiyu Li, Xiamen City CN
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20100230625 | FLUSHING MECHANISM - A flushing mechanism ( | 09-16-2010 |
20130061956 | FLUSHING MECHANISM - A flushing mechanism includes a housing, an upper cover on the housing, a sleeve, a first piston, a first piston sealed module, a first piston loading spring, a second piston and a second piston loading spring. Wherein a pressure-relief and/or ejection-proof part is provided in the housing, the second piston sealed module are respectively provided surround the periphery of the bottom end and the central hole of the second piston. The bottom end of the second piston, the second piston sealed module and the lower end of the housing define an exterior lower cavity and an interior lower cavity used for cooperating with the second piston loading spring in curse of drainage, sequentially the second piston are moved upward and the outlet is opened. A toilet bowl employing said flushing mechanism can reduce the flushing water consumption. | 03-14-2013 |
Feiyu Li US
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20150059869 | BASE CONNECTION DEVICE USED TO CHANGE A FLAPPER DRAIN VALVE TO A BARREL DRAIN VALVE - A base connection device used to change a flapper drain valve to a barrel drain valve includes a flapper base and a first overflow pipe disposed in the external side of the flapper base; further includes a connection base and a second overflow pipe, the bottom of the connection base is sleeved on the flapper base in sealing way, and closing the bottom of the first overflow pipe, the top of the connection base is formed to a matching portion; the bottom of the second overflow pipe is connected to the outlet of the flapper base. To change a flapper drain valve to a barrel drain valve, the flapper base does not need to be disassembled. The barrel drain valve is inserted to the connection base to sleeve the connection base on the flapper base, with the second overflow pipe as an overflow pipe of the water tank. | 03-05-2015 |
20150083238 | AUTOMATIC PROTECTION DEVICE FOR A TOILET INLET VALVE OR DRAIN VALVE - An automatic protection device for an inlet valve or drain valve includes an inlet, an outlet, an on-off component, a control circuit, a control component, a water level inductor of the water tank and a water level inductor of the toilet. The water level inductor of the water tank and the water level inductor of the toilet are respectively connected to the control circuit, the control circuit drives the control component, the control component is connected to the on-off component to control the on-off component to open or close, thus connecting or disconnecting the inlet and the outlet. The automatic protection device will sound an alarm and automatically cut off the water supply when the drain valve fails to discharge, or when the toilet is plugged up and is unable to drain water. | 03-26-2015 |
20150157179 | QUICK ASSEMBLY AND DISASSEMBLY DEVICE OF A TOILET COVER AND IMPLEMENTATION METHOD THEREOF - A toilet cover and an implementation method thereof includes a toilet seat, a toilet top cover, a rotation mechanism and two supports, two supports are respectively disposed with an insert pin, each insert pin is disposed with a lock groove at the side wall of the top portion, the rotation mechanism is disposed with two radial insert holes for the insert pins to insert; wherein further comprising at least one switch component disposed at the external wall of the two supports, a lock element and an elastic element, both ends of the lock element are respectively disposed with a lock catch to lock to the lock groove of the insert pin or release the lock, the switch component drives the lock element to move so as to release the lock; the lock element is repositioned by the elastic element. | 06-11-2015 |
20150260319 | QUICK-SEAL CONNECTING COMPONENT - A quick-seal connecting component includes a first sealing ring, an expansion pipe and pipe joint with front and rear running through; the joint is assembled to a pipe in sealing engagement by the first sealing ring and the expansion pipe. The expansion pipe is sleeved on the outer wall of the pipe type joint. The first sealing ring is sleeved on the outer wall of the expansion pipe. The pipe type joint of the connecting component is assembled to the toilet pipe by the first sealing ring, the expansion pipe and the second sealing ring. | 09-17-2015 |
Feiyu Li, Xiamen, Fujian CN
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20150322659 | QUICK SIPHON TOILET - The present invention provides a quick siphon toilet. The quick siphon toilet comprises a toilet body and a water tank, the toilet body is disposed with a spray waterway to wash the bottom portion of the toilet body and a flush waterway to wash the periphery wall of the toilet body, the bottom portion of the toilet body is disposed with a siphon washing-out pipe, the water tank is disposed with a drain valve, wherein the drain valve is disposed with a first drain outlet connected to the flush waterway and a second drain outlet connected to the spray waterway, the spray waterway is disconnected to the flush waterway. In a condition of same water volume, the present invention has longer siphon time and flushing time and better washing-out effect. And the present invention uses less water based on well flushing function, thus making it water-saving. | 11-12-2015 |
Feiyu Zhang, Del Mar, CA US
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20130090263 | FLUORESCENT PROTEINS, NUCLEIC ACIDS ENCODING THEM AND METHODS FOR MAKING AND USING THEM - The invention is directed to polypeptides having a fluorescent activity, e.g., an auto-fluorescent activity, polynucleotides encoding the polypeptides, and methods for making and using these polynucleotides and polypeptides. The polypeptides of the invention can be used as noninvasive fluorescent markers in living cells and intact organs and animals. The polypeptides of the invention can be used as, e.g., in vivo markers/tracers of gene expression and protein localization, activity indicators, fluorescent resonance energy transfer (FRET) markers, cell lineage markers/tracers, reporters of gene expression and as markers/tracers in protein-protein interactions. | 04-11-2013 |