Docoh
Loading...

DD DuPont de Nemours

APP
Utility
Flexographic Printing Form Precursor and a Method for Making the Precursor
20 Jan 22
The invention pertains to a photosensitive element, particularly a photopolymerizable printing form precursor; and, a process of making the photosensitive element.
Robert M. Blomquist, Adrian Lungu
Filed: 11 Dec 19
APP
Utility
Curable Silicone Composition, Encapsulant and Optical Semiconductor Device
20 Jan 22
A curable silicone composition comprises (A) a resinous alkenyl group-containing organopolysiloxane including at least two alkenyl groups per molecule and at least one (SiO4/2) unit, (B) a resinous organohydrogenpolysiloxane including at least two silicon atom-bonded hydrogen atoms per molecule and at least one (SiO4/2) unit, (C) a catalyst for hydrosilylation reaction, and (D) a curing reaction inhibitor.
Sawako Horie, Shunya Takeuchi, Akihiko Kobayashi, Misoon Jung, Hyunji Kang
Filed: 29 Jun 21
APP
Utility
Photoresist Compositions and Pattern Formation Methods
20 Jan 22
A photoresist composition comprising: a first polymer comprising a first repeating unit comprising a hydroxy-aryl group and a second repeating unit comprising an acid-labile group; a second polymer comprising a first repeating unit comprising an acid-labile group, a second repeating unit comprising a lactone group, and a third repeating unit comprising a base-soluble group, wherein the base-soluble group has a pKa of less than or equal to 12, and wherein the base-soluble group does not comprise a hydroxy-substituted aryl group; a photoacid generator; and a solvent, wherein the first polymer and the second polymer are different from each other.
Emad Aqad, Brandon Wenning, Choong-Bong Lee, James W. Thackeray, Ke Yang, James F. Cameron
Filed: 4 Jun 21
APP
Utility
Plurality of Host Materials and Organic Electroluminescent Device Comprising the Same
20 Jan 22
The present disclosure relates to a plurality of host materials comprising at least one first host compound represented by formula 1 and at least one second host compound represented by formula 2, and an organic electroluminescent device comprising the same.
Hyun-Ju KANG, So-Young JUNG, Eun-Joung CHOI, Hong-Yeop NA, Sang-Hee CHO, Su-Hyun LEE, Jin-Ri HONG
Filed: 13 Jul 21
APP
Utility
Composite and Copper Clad Laminate Made Therefrom
20 Jan 22
Disclosed are composites comprising copper foils having at least one smooth surface and an adhesive layer with low Dk and Df properties.
Yu-Cheng Chen, Mu-Huan Chi, Shih-Ching Lin, Wei-Guang Liu
Filed: 21 May 21
GRANT
Utility
Dielectric filter and method for manufacturing the same
18 Jan 22
The invention relates to a method of manufacturing a dielectric filter.
Yusuke Tachibana
Filed: 5 Nov 19
GRANT
Utility
Positive-type photosensitive resin composition and cured film prepared therefrom
18 Jan 22
The present invention relates to a positive-type photosensitive resin composition and a cured film prepared therefrom.
Kahee Shin, Eun-Young Lee, Jong-Ho Na, Geun Huh
Filed: 28 Oct 19
GRANT
Utility
Stretchable polymer thick film carbon black composition for wearable heaters
11 Jan 22
A polymer thick film carbon black composition comprising 6-13 wt % conductive carbon black powder; and 87-94 wt % organic medium comprising thermoplastic polyurethane resin dissolved in an organic solvent may be used to form the resistive element of heaters in applications where significant stretching is required, particularly on substrates that can be highly elongated and, in particular, that can be used in wearable garment applications.
H David Rosenfeld, Ivan Chen, William George Kampert, Ping Tzeng, Fred E Nagle, Michael Stephen Wolfe
Filed: 11 May 20
APP
Utility
Method for Producing Resin Useful In Semiconductor Manufacturing
6 Jan 22
A method for producing an ion exchange resin.
John David FINCH, Katsuya TAKUWA
Filed: 19 Nov 19
APP
Utility
Bisbenzocyclobutene Formulations
6 Jan 22
Compositions for forming polymer layers useful in the manufacture of optical devices, particularly optical waveguides, and methods of forming such devices are provided.
Michael K. Gallagher, Masaki Kondoh, Jake Joo, Yi Shen, Zhebin Zhang
Filed: 3 Jun 21
APP
Utility
a Plurality of Light-emitting Materials and Organic Electroluminescent Device Comprising the Same
6 Jan 22
The present disclosure relates to a plurality of light-emitting materials comprising at least one of first compounds and at least one of second compounds, wherein the first compound is represented by formula 1, and the second compound is represented by formula 2, and an organic electroluminescent device having improved lifetime properties can be provided by comprising the plurality of light-emitting materials.
Chi-Sik KIM, Soo-Yong LEE, Seung-Hoon YOO, Dong-Hyung LEE, Tae-Jin LEE
Filed: 25 Oct 19
APP
Utility
CMP Polishing Pad with Uniform Window
30 Dec 21
A polishing pad useful in chemical mechanical polishing comprising a polishing portion having a top polishing surface and comprising a polishing material an opening through the polishing pad, and a transparent window within the opening in the polishing pad, the transparent window being secured to the polishing pad and being transparent to at least one of magnetic and optical signals, the transparent window having a thickness and a top surface having a plurality of elements separated by interconnected recesses to provide a pattern in the top surface that includes recesses for improved deflection into a cavity in the polishing pad during polishing.
Mauricio E. Guzman, Nestor A. Vasquez, Matthew R. Gadinski, Michael E. Mills
Filed: 24 Jun 20
APP
Utility
Water-drainable Air-barrier Tape for Buildings
30 Dec 21
A laminate comprises a wicking fabric and a polymeric film adhered to both sides of the wicking fabric, wherein the wicking fabric comprises a plurality of holes, the polymeric films on both sides of the wicking fabric are fused together at each hole, and the laminate functions as an air barrier when measured in accordance with ASTM E2178-13, and allows the passage of liquid water as per ASTM E2273-18.
James Dean KATSAROS, Christopher E. FETTERMAN, Mark Stender
Filed: 24 Jun 20
APP
Utility
Plasticizers Polyamide Compositions
30 Dec 21
Plasticized compositions comprising polyamide or polyamide/ionomer blend and poly(trimethylene ether) glycol are provided.
HERBERT VERNON BENDLER, HARI BABU SUNKARA
Filed: 14 Sep 21
GRANT
Utility
Lubricating grease composition
28 Dec 21
A lubricating grease composition, and more specifically, to a lubricating grease composition which, when used with an article clamping device, such as a chuck, produces excellent lubricating properties whilst remaining strongly adhered to metal parts in the clamping mechanism of the device and showing enhanced chemical and physical resistance to fluids such as cutting fluids with which they come into contact.
Tobias Schlarb, Christian Kranenberg
Filed: 4 Dec 18
APP
Utility
Organic Electroluminescent Compound and Organic Electroluminescent Device Comprising the Same
23 Dec 21
The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same.
Chi-Sik KIM, Soo-Yong LEE, Seung-Hoon YOO, Dong-Hyung LEE
Filed: 25 Oct 19
APP
Utility
Silicon-containing Underlayers
23 Dec 21
Methods of manufacturing electronic devices employing wet-strippable underlayer compositions comprising a condensate and/or hydrolyzate of a polymer comprising as polymerized units one or more first unsaturated monomers having a condensable silicon-containing moiety, wherein the condensable silicon-containing moiety is pendent to the polymer backbone, and one or more condensable silicon monomers are provided.
Charlotte A. Cutler, Li Cui, Shintaro Yamada, Paul J. LaBeaume, Suzanne M. Coley, James F. Cameron, Daniel Greene
Filed: 8 Jul 21
APP
Utility
Organic Electroluminescent Device
23 Dec 21
The present disclosure relates to an organic electroluminescent device comprising a compound represented by formula 1, and can provide an organic electroluminescent device having a plurality of light-emitting layers, which is superior in driving voltage, luminous efficiency, external quantum efficiency, and/or color coordinate properties as compared to the conventional organic electroluminescent device.
Yoo-Jin DOH, Kyoung-Jin PARK, Chi-Sik KIM, Jeong-Eun YANG, Ji-Song JUN, Hyun KIM, Hyo-Jung LEE, Hyun-Ju KANG
Filed: 3 Sep 19
APP
Utility
Synthesis of N-(2,4-DINITROPHENYL)-4-NITROBENZAMIDE (Tnba) Using Solid Acid Catalysts
16 Dec 21
A method of making N-(2,4-dinitrophenyl)-4-nitrobenzamide from a mixture of 2,4-dinitroaniline, 4-nitrobenzoyl chloride, and solid acid catalyst in an organic solvent, wherein the solid acid catalyst is not soluble in the organic solvent, the solid acid catalyst being an acidic clay, an ion exchange resin, a beta zeolite, a sulfonated tetrafluoroethylene-based fluoropolymer-copolymer, or some mixture of these.
James A. Schultz, SOURAV KUMAR SENGUPTA, VENKATESWARA RAO SURISETTY
Filed: 18 May 21
GRANT
Utility
Chemical mechanical polishing compositions having stabilized abrasive particles for polishing dielectric substrates
14 Dec 21
A chemical mechanical polishing composition for polishing dielectric substrates includes colloidal silica abrasive particles stabilized with polyalkoxylated organosilanes.
Yi Guo
Filed: 22 Jan 20
Patents are sorted by USPTO publication date, most recent first