| Patent application number | Description | Published |
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| 20100041579 | PARTICULATE BLEACHING COMPOSITION COMPRISING ENZYMES - Particulate bleach additive composition containing enzymes, which can be used to bleach fabrics in conjunction with a conventional granular or liquid laundry detergent. | 02-18-2010 |
| 20100180386 | BLEACHING COMPOSITIONS CONTAINING PERFUME MICROCAPSULES - Liquid compositions, which are chemically and physically stable, comprising peroxygen bleach, perfume microcapsules and less than 10% of surfactant by weight of the total composition. The perfumes microcapsules, preferably, comprise a polymeric outer shell made of the condensation of melamine and formaldehyde. Process for laundering fabrics comprising the step of contacting the fabrics with said bleaching compositions. | 07-22-2010 |
| 20100180387 | BLEACHING COMPOSITIONS CONTAINING PERFUME MICROCAPSULES - Liquid compositions, which are chemically and physically stable, comprising peroxygen bleach, a crystalline hydroxyl-containing stabilizing agent, perfume microcapsules and more than 10% of surfactant by weight of the total composition. The perfumes microcapsules, preferably, comprise a polymeric outer shell made of the condensation of melamine and formaldehyde. Process for laundering fabrics comprising the step of contacting the fabrics with said bleaching compositions. | 07-22-2010 |
| Patent application number | Description | Published |
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| 20090141520 | ISOLATED VOLTAGE CONVERTER WITH FEEDBACK ON THE PRIMARY WINDING, AND CORRESPONDING METHOD FOR CONTROLLING THE OUTPUT VOLTAGE - An embodiment of a voltage converter, designed to convert an input voltage into a regulated output voltage, having: a voltage transformer having a primary winding receiving the input voltage, a secondary winding supplying the output voltage (V | 06-04-2009 |
| 20090147546 | ISOLATED VOLTAGE CONVERTER WITH FEEDBACK ON THE PRIMARY WINDING AND PASSIVE SNUBBER NETWORK, AND CORRESPONDING CONTROL METHOD - An embodiment of a voltage converter, provided with: a voltage transformer having a primary winding receiving an input voltage, a secondary winding supplying an output voltage, and an auxiliary winding supplying a feedback voltage correlated to the output voltage; a main switch, connected to the primary winding; a control circuit, which controls switching of the main switch and has a sampling stage for sampling and holding the feedback voltage and supplying a sampled signal; and a voltage limiting circuit, provided with a clamp capacitor, designed to be connected across the primary winding. A sampling control stage is connected to the sampling stage, and is designed, during a given operating condition of the voltage converter, to enable updating of the sampled signal on the basis of a state of charge of the clamp capacitor. | 06-11-2009 |
| 20090175057 | ISOLATED VOLTAGE CONVERTER WITH FEEDBACK ON THE PRIMARY WINDING, AND CORRESPONDING METHOD FOR CONTROLLING THE OUTPUT VOLTAGE - An embodiment of a voltage converter includes: voltage-transformer means having a primary side, designed to receive an input voltage, and a secondary side, designed to supply an output voltage; control-switch means coupled to said primary side; and a control circuit, coupled to a control terminal of said control-switch means and designed to control switching thereof as a function of a first signal correlated to said output voltage; said control circuit being provided with an error-amplifier stage, designed to process a difference between said first signal and a reference signal, wherein said error-amplifier stage is configured so as to have a transconductance characteristic with a linear-operation region, having a given slope, and at least one first clamped region, which has a slope lower than said given slope and is contiguous to said linear-operation region. | 07-09-2009 |
| 20110026612 | RECEIVER FOR SIGNAL COMMUNICATION APPARATUS AND RELATED SIGNAL COMMUNICATION APPARATUS - A receiver of a signal communication apparatus; the apparatus including a transmitter adapted to transmit coded signals, the receiver for receiving the signal and a wireless interface interposed between the transmitter and the receiver and having a transmitting antenna and a receiving antenna. The receiver includes a decoder configured to decode the received signal and circuitry coupled to the receiving antenna and capable of triggering the decoder if the value of the received signal is outside a logical hysteresis having a first logic threshold having a value smaller than the value of the direct current component of the received signal and a second logic threshold having a value greater than the value of the direct current component of the received signal. | 02-03-2011 |
| 20110028104 | RECEIVER FOR SIGNAL COMMUNICATION SYSTEM WITH DISTURBANCE REJECTION CIRCUIT - A receiver of a signal communication apparatus; the apparatus having a transmitter for transmitting the signals, the receiver for receiving the signals and a galvanically isolated wireless interface interposed between the transmitter and the receiver and having a transmitting antenna and a receiving antenna. The receiver including a disturbance rejection circuit coupled to the receiving antenna and capable of compensating for the parasite currents flowing between the transmitting antenna and the receiving antenna at the potential variations between the input and output of the galvanic isolation interface. | 02-03-2011 |
