초록 ▼

The instant invention relates to an anhydrous dentifrice (toothpaste, brushing gel, etc . . . ) The dentifrice is a homogeneous mixture of the following compounds: (1) organic polyols, such as glycerin; (2) cooked starch gelling agents; (3) mildly abrasive fillers such as silica, alumina and dicalci

The instant invention relates to an anhydrous dentifrice (toothpaste, brushing gel, etc . . . ) The dentifrice is a homogeneous mixture of the following compounds: (1) organic polyols, such as glycerin; (2) cooked starch gelling agents; (3) mildly abrasive fillers such as silica, alumina and dicalcium phosphate; and, optionally, (4) compounds selected from the group consisting of anti-caries agents, anti-plaque agents, anti-calculus agents, bleaching agents, peroxide stabilizers, desensitizing agents, whiteners, anti-stain agents, breath fresheners, flavorants, sweeteners, colorants, buffers, surfactants, and anti-bacterial agents, with the proviso that if bleaching agents are employed then peroxide stabilizers must also be employed. Preferably, the dentifrice does not contain any gelling agent other than the cooked starch particles.

대표청구항 ▼

The instant invention relates to an anhydrous dentifrice (toothpaste, brushing gel, etc . . . ) The dentifrice is a homogeneous mixture of the following compounds: (1) organic polyols, such as glycerin; (2) cooked starch gelling agents; (3) mildly abrasive fillers such as silica, alumina and dicalci

The instant invention relates to an anhydrous dentifrice (toothpaste, brushing gel, etc . . . ) The dentifrice is a homogeneous mixture of the following compounds: (1) organic polyols, such as glycerin; (2) cooked starch gelling agents; (3) mildly abrasive fillers such as silica, alumina and dicalcium phosphate; and, optionally, (4) compounds selected from the group consisting of anti-caries agents, anti-plaque agents, anti-calculus agents, bleaching agents, peroxide stabilizers, desensitizing agents, whiteners, anti-stain agents, breath fresheners, flavorants, sweeteners, colorants, buffers, surfactants, and anti-bacterial agents, with the proviso that if bleaching agents are employed then peroxide stabilizers must also be employed. Preferably, the dentifrice does not contain any gelling agent other than the cooked starch particles. rein the mover, mover layer, coupling block, and the flexure are contained within a plane, wherein the mover moves relative to the mover layer within the plane, and wherein the mover electrode and the counter electrode have an area of overlap, which area changes as the mover moves thereby changing the capacitance. 9. The system of claim 1, wherein the counter electrode is fixedly connected to the mover layer, adjacent the mover electrode. 10. The system of claim 1, wherein the mover comprises a data storage medium capable of storing data, and further comprising a read/write head that stores data to and retrieves data from the data storage medium. 11. A flexure for use in a microelectromechanical system (MEMS) device for connecting a mover in the MEMS device to a mover layer and controlling movement of the mover relative to the mover layer, the flexure comprising: a coupling block that moves according to movement of the mover relative to the mover layer and compensates for movement of the mover to reduce non-linearity of motion of the mover, the coupling block comprising a mover electrode capable of creating a capacitance with a counter electrode positioned adjacent to the mover electrode, the counter electrode being fixedly positioned relative to the mover layer, whereby the capacitance is related to a position of the mover; a first flexural connector that connects the coupling block to the mover; and a second flexural connector that connects the coupling block to the mover layer. 12. The flexure of claim 11, wherein the counter electrode is connected to a separate layer adjacent to the mover layer, and wherein the movement of the mover causes a change in an area of overlap between the mover electrode and the counter electrode. 13. The flexure of claim 12, wherein the first connector is directly connected between the coupling block and the mover, and wherein the second connector is directly connected between the coupling block and the mover layer, wherein the coupling block is a substantially flat member having the mover electrode disposed on a side of the of the coupling block, wherein the coupling block and the mover define a plane, and wherein the first and second flexural connectors allow the coupling block and mover to move within the plane. 14. A three-wafer microelectromechanical system (MEMS) device comprising: a first wafer comprising a counter electrode; a second wafer disposed parallel to the first wafer, the second wafer comprising: a mover layer that is fixedly attached to the first wafer; a mover capable of moving relative to the mover layer and the first wafer; and a flexure that connects the mover to the mover layer, the flexure comprising a mover electrode; and a third wafer disposed parallel to the first and second wafers such that the second layer is positioned between the first and third layers; and a capacitance detector that detects a capacitance between the mover electrode and the counter electrode, wherein the mover electrode moves relative to the counter electrode when the mover moves. 15. The MEMS device of claim 14, wherein the third wafer comprises a counter electrode adjacent the mover electrode. 16. The MEMS device of claim 14, wherein the flexure further comprises a coupling block that compensates for movement of the mover to reduce non-linearity of motion of the mover, which coupling block moves as the mover moves, and wherein the mover electrode is positioned on the coupling block. 17. The MEMS device of claim 16, wherein the coupling block moves in direct proportion to movement of the mover. 18. The MEMS device of claim 14 wherein the capacitance detector detects a plurality of capacitances from a plurality of mover electrodes and counter electrodes and determines a position of the mover based on the plurality of capacitances. 19. The MEMS device of claim 14, wherein the mover comprises a data storage medium capable of storing data, and further comprising a read/write head