A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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| Number | Title | Issue Date |
| 7270944 | Compositions, systems, and methods for imaging A composition, method, and system for recording an image. The system includes a multiphase imaging material in which energy is absorbed by an antenna material. The absorbed energy causes the reaction of an oxidizer and a leucozine dye. ... | 09/18/2007 |
| 7270932 | Imaging composition and method Imaging compositions and methods of using the compositions are disclosed. The imaging compositions are sensitive to low levels of energy such that upon application of the low levels of energy the compositions change color or shade. The compositions may be used in me... | 09/18/2007 |
| 7238543 | Methods for marking a bare semiconductor die including applying a tape having energy-markable properties A method used for marking a semiconductor wafer or device. The method and apparatus have particular application to wafers or devices which have been subjected to a thinning process, including backgrinding in particular. The present method comprises reducing the cros... | 07/03/2007 |
| 7223519 | Imaging compositions and methods Imaging compositions and methods of using the compositions are disclosed. The imaging compositions are sensitive to low levels of energy such that upon application of the low levels of energy the compositions change color or shade. The compositions may be applied to... | 05/29/2007 |
| 7169542 | Compositions, systems, and methods for imaging A composition, method, and system for recording an image. The system includes a multiphase imaging material in which energy is absorbed by an antenna material. The absorbed energy causes the reaction of an activator and a color-forming material. ... | 01/30/2007 |
| 7144676 | Imaging compositions and methods Imaging compositions and methods of using the compositions are disclosed. The imaging compositions are sensitive to low levels of energy such that upon application of the low levels of energy the compositions change color or shade. The compositions may be applied to... | 12/05/2006 |
| 7141360 | Compositions, systems, and methods for imaging Imaging layers, image recording media, and methods of preparation of each, are provided. One exemplary embodiment of the imaging layer, among others, includes a matrix, a radiation absorbing compound dissolved in the matrix, at least two activators substantially dis... | 11/28/2006 |
| 7094618 | Methods for marking a packaged semiconductor die including applying tape and subsequently marking the tape The present invention provides a method and apparatus for marking a semiconductor wafer or device. The method and apparatus have particular application to wafers or devices which have been subjected to a thinning process, including backgrinding in particular. The pr... | 08/22/2006 |
| 7083904 | Compositions, systems, and methods for imaging A composition, method, and system for recording an image. The system includes an imaging material in which radiation energy is absorbed by an antenna material. The antenna material may be chosen from the group consisting of phthalocyanines and naphthalocyanines.... | 08/01/2006 |
| 7026103 | Multicolor imaging using multiphoton photochemical processes A multilayer imageable article with at least two layers including a multiphoton imageable composition. The composition includes a multiphoton-sensitive photoactive system and at least one of a dye and a dye precursor. The photoactive system includes a multiphoton se... | 04/11/2006 |
| 6974661 | Compositions, systems, and methods for imaging A composition, method, and system for recording an image. The system includes a multiphase imaging material in which energy is absorbed by an antenna material. The absorbed energy causes the reaction of an activator and a color-forming material. ... | 12/13/2005 |
| 6969860 | PMMA-dosimeter A PMMA dosimeter for ionizing radiation shows not only a broad dose measurement range but also sensitivity less depending upon temperature. PMMA having a glass transition point Tg higher than 120° C. is employed as substance sensitive to ionizing radiation such as ... | 11/29/2005 |
| 6815679 | Reversible thermal recording material and method of recording image on reversible thermal recording material A reversible thermal recording material permits recording having a clear contrast at a high sensitivity and erasing such images a number of times, at least 1,000 times, repetitively, and comprises a leuco dye, a reversible developer and a light-heat-converting dye, ... | 11/09/2004 |
| 6607871 | Image recording medium An image recording medium comprising a light and heat change material capable of recording an image with laser beam is described, characterized in that therein are incorporated a heat generator having no absorption at a wavelength of 500 nm or more which ... | 08/19/2003 |
| 6398981 | Photopolymerizable composition sensitive to light in a green to infrared region of the optical spectrum The present invention is concerned with photopolymer materials sensitive to infrared, near infrared, red and green light radiation for initiating polymerization and to applications of such photopolymer, like holographic polymer dispersed liquid crystal (H... | 06/04/2002 |
| 6342329 | Image-forming medium An image-forming medium comprises a substrate and several types of photo-curing compositions with sensitivity peaks in different wavelength regions supported thereon. Each of the several types of photocuring compositions contains a spectral sensitizer whi... | 01/29/2002 |
| 6262181 | Preparation of partially cross-linked polymers and their use in pattern formation This invention relates to a process for generating a organically soluble partially cross-linked acid labile polymer according to the present invention comprises the steps of providing a polymer with one or more monomer units, wherein at least one of the m... | 07/17/2001 |
| 6251571 | Non-photosensitive, thermally imageable element having improved room light stability Novel thermally imageable monochrome product compositions, elements, and processes are disclosed herein. These compositions and elements characteristically have high contrast and fast imaging speeds. The thermally imageable compositions of this invention ... | 06/26/2001 |
| 6242154 | Process and composition for generation of acid A process for generation of acid uses a medium comprising a first acid-generating component capable of generating a first acid, and a secondary acid generator, this secondary acid generator being capable of thermal decomposition to form a secondary acid, ... | 06/05/2001 |
| 6235095 | Ink for inkjet printers An improved ink suitable for ink jet printing comprising, a mixture of a colorant, an arylketoalkene stabilizing compound or a photoreactor, and a liquid vehicle, wherein the colorant is light-stable. When the photoreactor is combined with a wavelength-se... | 05/22/2001 |
| 6110638 | Process and composition for generation of acid A process for generation of acid uses a medium comprising a first acid-generating component capable of generating a first acid, and a secondary acid generator, this secondary acid generator being capable of thermal decomposition to form a secondary acid, ... | 08/29/2000 |
| 6063551 | Mutable dye composition and method of developing a color One embodiment of the present invention is a method and composition comprising a novel pre-dye molecule that is colorless and stable to ordinary light. The pre-dye molecule is capable of forming a color when exposed to certain wavelengths of electromagnet... | 05/16/2000 |
| 6015621 | Ultraviolet dosimeter film An ultraviolet-sensitive dosimeter material comprises at least one diazonium compound featuring absorption in the ultraviolet wavelength range, and a binder. The diazonium compound is preferably formed by a diazonium salt of the general formula ##STR... | 01/18/2000 |
| 6004486 | Photochromic spiroxazines with asymmetric monocyclic substituent, compositions and articles containing them The invention concerns photochromic compounds with the following Formula: ##STR1## in which: R1 is a asymmetric aliphatic monocyclic group with the Formula, ##STR2## where l=1-12, and R9 is H or an alkyl, alkoxy, dialkylami... | 12/21/1999 |
| 6004719 | Imaging medium and process for producing an image A process for producing an image uses an imaging medium comprising an acid-generating layer or phase comprising a mixture of a superacid precursor, a sensitizing dye and a secondary acid generator, and a color-change layer comprising an image dye. The sen... | 12/21/1999 |
| 5919608 | Medium and process for generating acid using sensitizing dye and supersensitizer The sensitivity to radiation of combinations of cationic electron acceptors (such as phosphonium, sulfonium, diazonium and iodonium salts) with sensitizing dyes, which sensitize these cationic electron acceptors to wavelengths (typically visible wavelengt... | 07/06/1999 |
| 5914213 | Process and composition for generation of acid A process for generation of acid uses a medium comprising a first acid-generating component capable of generating a first acid, and a secondary acid generator, this secondary acid generator being capable of thermal decomposition to form a secondary acid, ... | 06/22/1999 |
| 5908495 | Ink for ink jet printers An improved ink suitable for ink jet printing comprising, a mixture of a colorant, an arylketoalkene stabilizing compound or a photoreactor, and a liquid vehicle, wherein the colorant is light-stable. When the photoreactor is combined with a wavelength-se... | 06/01/1999 |
| 5905148 | Photochromic spirooxazine polysiloxanes Polysiloxane copolymers containing both photochromic and lightstabilizing groups with enhanced UV-fatigue resistance can be used as coatings for devices with variable optical density, including lenses, glazing, textiles and the like, to provide light-sens... | 05/18/1999 |
| 5883232 | Hydrophobic cationic dyes and thermal transfer ink ribbons using the same Disclosed are diazahemicyanine hydrophobic cationic dyes represented by the formula (1): ##STR1## wherein R1, R2, R3 and R4 are lower alkyl groups having not more than 5 carbon atoms, R5 is a low... | 03/16/1999 |
| 5837429 | Pre-dyes, pre-dye compositions, and methods of developing a color One embodiment of the present invention is a method and composition comprising a novel pre-dye molecule that is colorless and stable to ordinary light. The pre-dye molecule is capable of forming a color when exposed to certain wavelengths of electromagnet... | 11/17/1998 |
| 5786132 | Pre-dyes, mutable dye compositions, and methods of developing a color One embodiment of the present invention is a method and composition comprising a novel pre-dye molecule that is colorless and stable to ordinary light. The pre-dye molecule is capable of forming a color when exposed to certain wavelengths of electromagnet... | 07/28/1998 |
| 5700850 | Colorant compositions and colorant stabilizers A light-stable colored composition which includes a colorant and a radiation transorber. The colorant, in the presence of the radiation transorber, is adapted, upon exposure of the transorber to specific, narrow bandwidth radiation, to be mutable. The rad... | 12/23/1997 |
| 5681380 | Ink for ink jet printers An improved ink suitable for ink jet printing comprising, a mixture of a colorant, an arylketoalkene stabilizing compound or a photoreactor, and a liquid vehicle, wherein the colorant is light-stable. When the photoreactor is combined with a wavelength-se... | 10/28/1997 |
| 5667943 | Process for thermochemical generation of acid and for thermal imaging, and imaging medium for use therein Certain squaric acid derivatives are useful for the thermochemical generation of acid. The squaric acid derivatives may be used in imaging media in conjunction with acid-sensitive materials which undergo a color change when contacted by the acid generated... | 09/16/1997 |
| 5645964 | Digital information recording media and method of using same A digital information recording media which includes a recording layer comprising a light-stable colored composition which composition is mutable or decolorizable upon exposure to a specific wavelength of ultraviolet radiation. The light-stable colored co... | 07/08/1997 |
| 5643356 | Ink for ink jet printers An improved ink suitable for ink jet printing comprising, a mixture of a colorant, an arylketoalkene stabilizing compound or a photoreactor, and a liquid vehicle, wherein the colorant is light-stable. When the photoreactor is combined with a wavelength-se... | 07/01/1997 |
| 5631118 | Imaging medium A process for producing an image uses an imaging medium comprising an acid-generating layer or phase comprising a mixture of a superacid precursor, a sensitizing dye and a secondary acid generator, and a color-change layer comprising an image dye. The sen... | 05/20/1997 |
| 5614340 | Migration imaging, optionally with dyes or pigments to effect bleaching A bleachable composition, including an acid photogenerator and a near-infrared radiation-absorbing dye or pigment, is utilized in a method of migration imaging to prevent unwanted absorptions. This composition can be incorporated either in the thermoplast... | 03/25/1997 |
| 5612279 | Optical recording sheet In an optical recording sheet having a thermal recording layer containing a colorless or pale colored dye precursor and a color developer reactable with the dye precursor upon heating to develop a color, a dimerized or trimerized urea compound is used as ... | 03/18/1997 |