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Class 428/473.5 - Of polyimide


Subclass of Class 428 - Stock material or miscellaneous articles
Definition: Product in which a layer contains a polymer having an imide
No. of patents: 1429
Last issue date: 12/20/2011


1                      
NumberTitleIssue Date
8080319Thermosetting resin composition and use thereof
Disclosed is related to a thermosetting resin composition which comprises a polyimide resin (A) having a phenolic hydroxyl group, preferably a polyimide resin (A) produced from an aminophenol (a), a diamino compound (b) and a tetrabasic acid dianhydride (c), and an ...
12/20/2011
7989081Resin composite copper foil, printed wiring board, and production processes thereof
A resin composite copper foil comprising a copper foil and a resin layer containing a block copolymer polyimide and a maleimide compound, the resin layer being formed on one surface of the copper foil, a production process thereof, a copper-clad laminate using the r...
08/02/2011
7985482Stiffener sheet and flexible printed circuit board using the same
A stiffener sheet for flexible printed flexible printed circuit boards, includes alternately laminated polyimide layers and polyamideimide layers, wherein a molecular structure of the polyamideimide is represented by the following formula:
07/26/2011
7892651Resin composite metal foil, laminate and process for the production of printed wiring board using the laminate
A resin composite metal foil comprising a metal foil and a layer of a block copolymer polyimide resin formed on one surface of the metal foil, a metal-foil-clad laminate using the above resin composite metal foil, a printed wiring board using the above metal-foil-cl...
02/22/2011
7645520Endless belt and production method thereof, intermediate transfer belt, and image forming apparatus
The present invention provides an endless belt containing a conductive agent and a polyimide resin whose imidation ratio at an outer circumference surface of the belt and that at an inner circumference surface of the belt are mutually different, and a method of prod...
01/12/2010
7615288Cleaning member and cleaning method
A cleaning sheet which comprises a cleaning layer having a tensile stress at 10% strain of from 0.3 to 3,000 N/mm2 or a carrying member with a cleaning function wherein at least one side of the carrying member has a cleaning layer having a tensile stress ...
11/10/2009
7601430Biaxially oriented film on flexible polymeric substrate
A flexible polymer-based template having a biaxially oriented film grown on the surface of a polymeric substrate. The template having the biaxially oriented film can be used for further epitaxial growth of films of interest for applications such as photovoltaic cell...
10/13/2009
7592072Bismaleimide prepreg systems
Prepreg composite materials that include a fiber layer and a prepreg resin composed of a bismaleimide resin component, a thermoplastic toughening agent and a resin distribution stabilizer. The bismaleimide component is an amorphous mixture of at least three differen...
09/22/2009
7575812Cleaning substrate of substrate processing equipment and heat resistant resin preferable therefor
The present invention provides a cleaning substrate of a substrate processing equipment, which comprises a cleaning layer comprising a heat resistant resin with a storage modulus (1 Hz) at 20° C. up to 150° C. being 5×107 Pa to 1×109 Pa on ...
08/18/2009
7470471Resin composition, prepreg and laminate using the composition
The present invention is to provide a resin composition having sufficient rigidity and superior in the workability as well even if the thickness is as thin as 0.2 mm or less, and a prepreg and a laminate obtained from the resin composition. The resin composition com...
12/30/2008
7459217Flame retardant polyester film and processed product including the same
The present invention is a flame-retardant polyester film including resin layers laminated on both surfaces of a polyester film, wherein the resin layer satisfies 15≦(Wc1−Wc2)/Wc0×100≦99 (where Wc0 represents the we...
12/02/2008
7438957Poly(aryletherimides) for negative birefringent films for LCDs
A class of soluble poly(aryletherimides) (PAEIs) having flexible backbones, useful in the manufacture of polymeric optical films are disclosed. The poly(aryletherimides) are dissolved in organic solvents, such as ketones and ketone solvent mixtures and coated on var...
10/21/2008
7438972Nanoparticle coatings for flexible and/or drawable substrates
Flexible and/or drawable substrates having coatings comprising a dispersion of resin coated nanoparticles are disclosed, as are laminated articles comprising such flexible and/or drawable substrates. ...
10/21/2008
7435462Thermoplastic article with a printable matte surface
This invention relates to thermoplastic articles having printable matte surfaces. The printable matte surface is achieved by blending inorganic particles, and especially silica particles, having a mean particle size of from 2 to 30 micron and a narrow particle size ...
10/14/2008
7422777N,N′-dicycloalkyl-substituted naphthalene-based tetracarboxylic diimide compounds as n-type semiconductor materials for thin film transistors
A thin film transistor comprises a layer of organic semiconductor material comprising a tetracarboxylic diimide naphthalene-based compound having, attached to each of the imide nitrogen atoms, a substituted or unsubstituted alicyclic ring system, optionally substitu...
09/09/2008
7411773Electrostatic chucking device and manufacturing method thereof
An electrostatic chucking device having a laminated structure formed by sequentially laminating a first insulation layer, an electrode layer, and a second insulation layer on a metal substrate. The first and second insulation layers are formed from polyimide films. ...
08/12/2008
7407708High-strength, chemically resistant laminar film with limited extractables
A chemically resistant, extractable free, composite laminar film including polyimide, PFA and m-PTFE layers. ...
08/05/2008
7384690Biaxially oriented thermoplastic resin film
In order to provide a film having excellent heat resistance, thermal dimensional stability, and mechanical properties, in particular, a film capable of satisfying required properties, e.g., higher strength in accordance with the reduction in thickness of a base film...
06/10/2008
7378139Use of aminosilane as an adhesion promoter between a silcone layer and a fluoropolymer layer
A layered structure, which may be used as a fuser member, comprises a first layer containing silicone; a second layer containing a fluoropolymer; and between the first and second layers, an adhesive layer comprising an aminosilane adhesive. In the layered structure,...
05/27/2008
7368086Functionalized fluorescent nanocrystals, and methods for their preparation and use
Functionalized fluorescent nanocrystal compositions and methods for making and using these compositions are disclosed. The compositions are fluorescent nanocrystals coated with at least one material. The coating material has chemical compounds or ligands with functi...
05/06/2008
7364797Adhesive composition and adhesive film
An adhesive composition is provided comprising (A) a polyimide resin containing a diorganopolysiloxane linkage having vinyl groups as organic substituent groups on the backbone, (B) an epoxy resin, and (C) an epoxy resin-curing catalyst. An adhesive film prepared fr...
04/29/2008
7356905Method of fabricating a high frequency ultrasound transducer
Techniques for fabricating high frequency ultrasound transducers are provided herein. In one embodiment, the fabrication includes depositing a copperclad polyimide film, a layer of epoxy on the copperclad polyimide film, and a polyvinylidene fluoride film on the epo...
04/15/2008
7358185Device having contact pad with a conductive layer and a conductive passivation layer
A method and apparatus is disclosed for sequential processing of integrated circuits, particularly for conductively passivating a contact pad with a material which resists formation of resistive oxides. In particular, a tank is divided into three compartments, each ...
04/15/2008
7354636Flexible laminate material for lighter-than-air vehicles
A laminate material for lighter-than-air vehicles includes a liquid crystal polymer fiber layer, a polyimide layer secured to the liquid crystal polymer fiber layer; and a polyvinylidene fluoride (PVDF) layer secured to the polyimide layer. The layers are secured to...
04/08/2008
7351474Pigment preparations
A pigment formulation in granule form obtainable by a) dispersing at least two different pigments (A) in a solution of a thermoplastic polymer (B) in an organic solvent in the presence or absence of a dispersant (C), and b) applying as a layer the dispersion produce...
04/01/2008
7348080Low temperature polyimide adhesive compositions and methods relating thereto
The present invention relates to a polyimide adhesive composition having a polyimide derived from an aromatic dianhydride and a diamine component, where the diamine component is preferably about 50 to 90 mole % of an aliphatic diamine and about 10 to 50 mole % of an...
03/25/2008
7348064Low temperature polyimide adhesive compositions and methods relating thereto
The present invention relates to a polyimide adhesive composition having a polyimide derived from an aromatic dianhydride and a diamine component, where the diamine component is preferably about 50 to 90 mole % of an aliphatic diamine and about 10 to 50 mole % of an...
03/25/2008
7342063Aqueous dispersion for electrodeposition, high dielectric constant film and electronic parts
A high dielectric constant film is prepared by electrodepositing a film from an aqueous dispersion comprising inorganic particles comprised of a compound selected from the group consisting of barium titanate, lead titanate, bismuth titanate, magnesium titanate and n...
03/11/2008
7341770Fixing rotating body
A fixing rotating body of the present invention comprises a substrate and a mixture with which a surface of the substrate is coated without any primer layer, the mixture mainly containing a fluororesin composed of 60 to 90% by weight of a perfluoroalkoxy resin (PFA)...
03/11/2008
7338716Laminate and process for producing the same
This invention relates to a laminate comprising an insulating polyimide resin layer etchable by an aqueous alkaline solution and a metal foil. The laminate has an insulating resin layer composed of a plurality of polyimide resin layers on the metal foil and the insu...
03/04/2008
7329462Reflective article and method for the preparation thereof
A reflective article useful, for example, in automotive headlights includes a substrate, a reflective metal layer, and a haze-prevention layer between the substrate and the reflective metal layer. The substrate includes an amorphous thermoplastic resin having a heat...
02/12/2008
7320830Flame-retardant heat-resistant resin composition and adhesive film comprising the same
The present invention provides a non-flammable heat-resistant resin composition that is provided with (A) modified polyamideimide resin, (B) thermosetting resin and (C) organic phosphor-based compound, and a cured film, obtained from the non-flammable heat-resistant...
01/22/2008
7316791Polyimide based substrate comprising doped polyaniline
The present invention relates to electrically conductive polyimide films having dispersed in them electrically conductive polymer particles having an average particle size from 0.5 to 5.0 microns. These films are suitable as image transfer belts in high-speed color ...
01/08/2008
7311966Porous insulating film and its laminates
A porous insulating film comprising a highly heat resistant resin film having a fine porous structure with a mean pore size of 0.01-5 μm in at least the center of the film, and a porosity of 15-80%. A laminate is prepared by forming a heat resistant adhesive layer ...
12/25/2007
7309529Structure and method for improved adhesion between two polymer films
A method for improving the adhesion between polyimide layers and the structure formed by the method. A silicon oxide-containing layer is formed on the surface of a polyimide layer and a second layer of polyimide is formed on the silicon oxide-containing layer. ...
12/18/2007
7303811Porous insulating film and its laminates
A porous insulating film comprising a highly heat resistant resin film having a fine porous structure with a mean pore size of 0.01-5 μm in at least the center of the film, and a porosity of 15-80%. A laminate is prepared by forming a heat resistant adhesive layer ...
12/04/2007
7300972Water-soluble polyimide precursor, aqueous polyimide precursor solution, polyimide, impregnated material with polyimide binder, and laminate
A water-soluble polyimide precursor, which can be suitably applied for aromatic polyimides and exhibits a low reduction in heat resistance and mechanical properties, an aqueous solution of the polyimide precursor and a polyimide obtained from the precursor. A heat-r...
11/27/2007
7297414Gas barrier film and method for producing the same
Disclosed is a gas barrier film alternately comprising at least one inorganic layer and at least one organic layer on a resin base material having a glass transition temperature of 250° C. or higher. The gas barrier film can exhibit superior gas barrier property wh...
11/20/2007
7291919Interlayer dielectric film, and method for forming the same and interconnection
The interlayer dielectric film made of a three-dimensionally polymerized polymer is formed by polymerizing: first cross-linking molecules having three or more sets of functional groups in one molecule providing a three-dimensional structure; and a second cross-linki...
11/06/2007
7285331Ultraphobic surface
The invention relates to a structured surface with ultraphobic properties. Said surface as a surface topography in which the value of the integral of a function S: S(log f)=a(f)·f, which gives a relationship between the spatial frequencies f of the individual Fouri...
10/23/2007
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