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...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.

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Class 522/7 - Contains two or more rate-affecting materials, at least one of which is specified


Subclass of Class 522 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein at least two rate-affecting materials are claimed; at
No. of patents: 70
Last issue date: 11/23/2010


1    
NumberTitleIssue Date
7838570Radiation curable inks
An ink used preferably in jet ink devices includes an ink vehicle, the ink vehicle being made up either (a) a first component curable by a first polymerization route and an associated photointiator, and a second component curable by a second polymerization route and...
11/23/2010
7381516Multiphoton photosensitization system
A photoreactive composition comprises (a) at least one reactive species that is capable of undergoing an acid- or radical-initiated chemical reaction; and (b) a photoinitiator system comprising photochemically-effective amounts of (1) at least one type of semiconduc...
06/03/2008
7262231Photosensitive amine generator, photocurable composition and photoreactive adhesive composition
The invention provides compounds which can generate amine by irradiation with light and are excellent both in photodecomposability and in reactivity and compatibility with amine-curable compounds, and photo-setting compositions containing the compounds. The compound...
08/28/2007
7250452Dental compositions and methods with arylsulfinate salts
Polymerizable compositions and methods are provided that include an ethylenically unsaturated compound and an arylsulfinate salt. The polymerizable compositions are useful as hardenable dental compositions. ...
07/31/2007
7238731Environmentally friendly coating compositions for coating metal objects, coated objects therefrom, and methods, processes and assemblages for coating thereof
Disclosed are environmentally friendly, substantially all solids coating compositions which are curable using ultraviolet and visible radiation. In addition, the disclosed coating compositions are suitable for coating flexible objects and/or objects having angular f...
07/03/2007
7226957Method for producing polymers with controlled molecular weight and end group functionality using photopolymerization in microemulsions
A method for producing polymers with controlled molecular weight and desired end functionalities and the resulting polymers. The method comprises a) forming a microemulsion comprising monomer, water, and an effective amount of an effective surfactant, b) adding to t...
06/05/2007
7192992Environmentally friendly, 100% solids, actinic radiation curable coating compositions for coating thermally sensitive surfaces and/or rusted surfaces and methods, processes and assemblages for coating thereof
Disclosed are environmentally friendly, substantially all solids coating compositions which are curable using ultraviolet and visible radiation. In addition, the disclosed coating compositions are suitable for coating thermally sensitive objects and/or rusted surfac...
03/20/2007
7183363Thermally conductive casting compound
A resin-based casting compound which cures by a chemical reaction is described; it is suitable in particular for insulation of electric components and it contains an epoxy resin component (A), a silicone-containing component (B), a filler (C), by the choice of which...
02/27/2007
7151123Environmentally friendly, 100% solids, actinic radiation curable coating compositions and coated surfaces and coated articles thereof
Disclosed are environmentally friendly, substantially all solids coating compositions which are curable using ultra violet and visible radiation. In addition, methods for coating surfaces, or at least a portion of the surfaces, and curing of the coated surface to ob...
12/19/2006
7138132Hydrogel entrapping therapeutic agent and stent with coating comprising this
A hydrogel forming system which comprises a hydrophobic macromer with unsaturated group terminated ends and a hydrophilic polymer which is a polysaccharide containing hydroxy groups which are reacted with unsaturated group introducing compound, is convertible by fre...
11/21/2006
7118845Multiphoton photochemical process and articles preparable thereby
A process for fabricating of an article by exposing a photoreactive composition to light under multiphoton absorption conditions. The light passes through an optical system having a final optical element having a numeric aperture in a range of from 0.65 to 1.25, inc...
10/10/2006
7091255Multiphoton photosensitization system
A method of multiphoton photosensitizing a photoreactive composition comprises irradiating the composition with light sufficient to cause simultaneous absorption of at least two photons, thereby inducing at least one acid- or radical-initiated chemical reaction wher...
08/15/2006
7051290Graphical interface for receiving eyeglass prescription information
A high volume lens curing system is described. The high volume lens curing system is configured to cure multiple eyeglass lenses in a continuous manner. The lens curing system includes a computer-implemented method configured to collect prescription information, sav...
05/23/2006
7005229Multiphoton photosensitization method
A method of multiphoton photosensitizing comprises (a) providing a multiphoton-activatable, photoreactive composition comprising (1) at least one reactive species that is capable of undergoing an acid- ...
02/28/2006
6998425UV curable coating compositions and uses thereof
The present invention is directed to curable acrylate coating compositions and coated articles resulting therefrom. The curable acrylate coating composition comprises at least two polyfunctional acrylate derivatives, at least one photoinitiator and at least one nano...
02/14/2006
6967042UV curable compositions for producing mar resistant coatings and method for depositing same
The present invention discloses an ultraviolet light curable mar resistant composition and method for making such a composition that may be used to produce an mar resistant layer. The disclosed composition does not contain any significant amount of volatile organic ...
11/22/2005
6933040Hard coat film
A hard coat film which comprises a substrate and a hard coat layer, wherein the hard coat layer is formed by applying on the substrate with a curable composition containing a photocurable substance and an oligomer type photopolymerization initiator and then curing b...
08/23/2005
6916857Hydrogel-forming system with hydrophobic and hydrophilic components
A hydrogel forming system which comprises a hydrophobic macromer with unsaturated group terminated ends and a hydrophilic polymer which is a polysaccharide (e.g. dextran) containing hydroxy groups which are reacted with unsaturated group introducing compound, is con...
07/12/2005
6905700Hydrogel entrapping therapeutic agent and stent with coating comprising this
A hydrogel forming system which comprises a hydrophobic macromer with unsaturated group terminated ends and a hydrophilic polymer which is a polysaccharide containing hydroxy groups which are reacted with unsaturated group introducing compound, is convertible by fre...
06/14/2005
6905735UV curable paint compositions and method of making and applying same
The present invention discloses an ultraviolet light curable paint composition and method for applying and making such a composition to a substrate. Suitable substrates include glass, metals, and various plastics such as polycarbonates. The disclosed composition doe...
06/14/2005
6906113Surface-active photoinitiators
Compounds of formula Ia, Ib and Ic, (Ic), in which R, R1 and R2 are e.g. phenyl, naphthyl, anthracyl, phenanthryl or a heterocyclic radical, are suitable as photoinitiators which accumulate at the surface of coatings. ...
06/14/2005
6852766Multiphoton photosensitization system
A method of multiphoton photosensitizing a photoreactive composition comprises irradiating the composition with light sufficient to cause simultaneous absorption of at least two photons, thereby inducing at least one acid- or radical-initiated chemical reaction wher...
02/08/2005
6750266Multiphoton photosensitization system
A multiphoton-activatable, photoreactive composition comprises: (a) at least one reactive species that is capable of undergoing an acid- or radical-initiated chemical reaction; (b) a photochemically-effective amount of a multiphoton photosensitizer comprising at lea...
06/15/2004
6590011Radiation initiated epoxy-amine systems
An epoxy-amine composition includes an epoxy resin, an amine curative and a latent catalyst. The latent catalyst does not cause the instant acceleration of the reaction between epoxides and amines. In the presence of radiation, the latent catalyst generat...
07/08/2003
6583195UV curable deck sealer
A substantially 100% solids sealer composition for use with wood and, in particular, weathered wood surfaces and other porous surfaces is prepared from a mixture of UV curable acrylates and a photoinitiator blend. The composition may further include fille...
06/24/2003
6579914Coating compositions for optical waveguides and optical waveguides coated therewith
A composition for coating an optical waveguide, more specifically, an optical fiber, and optical fibers coated therewith. The coating composition is a radiation curable composition including an aliphatic epoxide, a urethane acrylate oligomer, a reactive d...
06/17/2003
6545064Coating composition comprising ethoxylated diacrylates
This invention relates to a curable coating composition which comprises: (A) a compound represented by the formula ##STR1## wherein in formula (A-I) each R independently is hydrogen or a hydrocarbyl group of 1 to about 8 carbon atoms, and n is a number th...
04/08/2003
6509389UV curable compositions for producing mar resistant coatings and method for depositing same
The present invention discloses an ultraviolet light curable mar resistant composition and method for making such a composition that may be used to produce an mar resistant layer. The disclosed composition does not contain any significant amount of volati...
01/21/2003
6500877UV curable paint compositions and method of making and applying same
The present invention discloses an ultraviolet light curable paint composition and method for applying and making such a composition to a substrate. Suitable substrates include glass, metals, and various plastics such as polycarbonates. The disclosed comp...
12/31/2002
6376568Surface-active photoinitiators
The invention relates to the use of surface-active photoinitiators of formula I ##STR1## the units being arranged randomly or in blocks, and wherein n is a number from 1 to 1000; m is a number from 0 to 100; p is a number from 0 to 10 000; x is the n...
04/23/2002
6329442Curable composite material composition and curing process therefor
A curable composite material composition comprising (A) a polymerizable unsaturated compound, (B) a fiber reinforcing material and/or fiber, and (C) a polymerization initiator comprising an organic boron compound represented by the general formula (1) ##STR1##...
12/11/2001
6252032UV absorbing polymer
An ultraviolet-absorbing polymer is formed from a reaction mixture including a diisocyanate, at least one selected from the group consisting of a diol, a diamine and mixtures thereof, and a polyfunctional UV-absorbing monomer....
06/26/2001
6232364Ultraviolet curable coating compositions for cationic electrodeposition applicable to metallic materials and electrically conductive plastic materials
An ultraviolet curable coating composition for cationic electrodeposition applicable to metal plated materials which composition comprises 100 weight parts of acrylic resin containing 10 to 70% by weight poly-functional acrylate per se having 3 or more ac...
05/15/2001
6210759Single-solution adhesive resin formulations
Single-solution adhesive resin formulations are made of predominantly dimethacrylates or diacrylates containing predominantly) two carboxyl groups and a functionalized methacrylate or acrylate diluent monomer. A novel light-activated initiator can be used...
04/03/2001
6207727Photoinitiator mixtures containing acylphosphinoxides and benzophenone derivatives
A photoinitiator mixture comprising a) at least one acyl- or diacylphosphine oxide of the formula I ##STR1## and b) at least one benzophenone derivative of the formula ##STR2##...
03/27/2001
6146789Battery having a visible-light or near-infrared-light curing resin as an insulating seal
In a battery in which a metallic battery case for accommodating electricity-generating elements also serves as an electrode, a visible-light or near-infrared-light curing resin is used for providing a coating to insulate an end face and a peripheral edge ...
11/14/2000
6087062Polyborate coinitiators for photopolymerization
Compounds of the formula I and II ##STR1## in which R1, R2 and R3 are, for example, unsubstituted or substituted phenyl, where none of the radicals R1 -R3 is a phenyl radical which is substituted...
07/11/2000
6086863Compositions of microspheres for wound healing
Therapeutic compositions of microspheres for application to wounds and/or lesions for accelerating wound healing and muscle regeneration. The microspheres are made up of non-biodegradable material having a substantial surface charge. The therapeutic compo...
07/11/2000
6084004Compositions which undergo light-induced cationic curing and their use
The invention relates to compositions which undergo cationic curing with visible light, comprising: (a) 0.01 to 8 wt. % of at least one diaryliodonium compound, (b) 0.01 to 8 wt. % of at least one ଱-dicarbonyl compound, (c) 10.0 to 99.9 wt. % of at least one ...
07/04/2000
6025017Photopolymerizable coating formulation for thermal transfer media
A coating formulation suitable for use in preparing thermal transfer ribbons is provided which is curable by UV radiation or visible light. The coating formulation forms thermal transfer layers that produce printed images when used in a thermal transfer p...
02/15/2000
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