Patents by Inventor Weidong Wang

Weidong Wang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20050256249
    Abstract: A carbon black with a ?D50/M greater than about 0.9. The carbon black has an aggregate heterogeneity index (HI) via QTM of greater than about 2.3. The carbon black has a ?D50 via DCP of greater than about 0.07. The QTM-HI of the present carbon black is unique for N100-200 series carbon blacks, as is the ?D50. The carbon black is a N200 carbon black with an oil absorption number (OAN) less than about 135 and a HI of greater than about 2.3. The carbon black is also a N200 carbon black with an oil absorption number (OAN) less than about 135 and a ?D50 of greater than about 0.07. The present invention also relates to a polymeric composition and to tires comprising a carbon black of the present invention.
    Type: Application
    Filed: May 13, 2004
    Publication date: November 17, 2005
    Inventors: Weidong Wang, Charles Herd, Jorge Ayala
  • Publication number: 20050216606
    Abstract: A hand-held device having a display and a browser application which supports functionality particularly suited for the hand-held device. For example, the browser application supports a full screen tag which allows information to be displayed as a full screen within the display. The browser application may also support a tag for use in displaying a link the activation of which will cause the hand-held device to transmit command codes to a consumer appliance. Still further, the browser application can support a tag which the hand-held device can use to issue reminders.
    Type: Application
    Filed: March 24, 2005
    Publication date: September 29, 2005
    Applicant: Universal Electronics Inc.
    Inventors: Patrick Hayes, Steve Huang, Weidong Wang, Han-Sheng Yuh, Jonathan Lim, Joyce Presseau
  • Publication number: 20050080496
    Abstract: A hand-held device having a display and a browser application which supports functionality particularly suited for the hand-held device. For example, the browser application supports a full screen tag which allows information to be displayed as a full screen within the display. The browser application may also support a tag for use in displaying a link the activation of which will cause the hand-held device to transmit command codes to a consumer appliance. Still further, the browser application can support a tag which the hand-held device can use to issue reminders.
    Type: Application
    Filed: October 6, 2004
    Publication date: April 14, 2005
    Applicant: Universal Electronics Inc.
    Inventors: Patrick Hayes, Steven Huang, Weidong Wang, Han-Sheng Yuh, Jonathan Lim, Joyce Presseau
  • Publication number: 20050063893
    Abstract: Thermally modified carbon blacks having such properties and of such purity so as to provide improved performance properties in food contact type applications, moisture cured polymer systems, zinc-carbon “dry cell” batteries, electrochemical applications such as alkaline batteries, other electrochemical power sources and other electronic applications, and for semi-conductive wire and cable applications; bladder compounds which show both improved thermal conductivity and improved processability; and other applications which may apply but are not necessarily specified herein; the carbon blacks produced by a continuous heat treatment process, or a variation of that process as it may develop.
    Type: Application
    Filed: February 25, 2004
    Publication date: March 24, 2005
    Inventors: Jorge Ayala, Weidong Wang, Charles Edwards, Charles Herd, Rakshit Lamba
  • Patent number: 6768961
    Abstract: A system and method for analyzing error information from a semiconductor fabrication process. The system receives wafer map data describing a plurality of failing chips on a particular semiconductor wafer. The system utilizes the wafer map data to classify each of the failing chips into one of several error categories, such systematic errors, repeated or reticle errors, and random errors. The system further partitions the systematic errors into spatial clusters, which may be compared against a known library of spatial error patterns for identifying the origins of the systematic errors.
    Type: Grant
    Filed: September 14, 2001
    Date of Patent: July 27, 2004
    Assignee: Yield Dyamics, Inc.
    Inventors: Jonathan B. Buckheit, Weidong Wang
  • Patent number: 6596156
    Abstract: A SAPO-11 silicoaluminopihosphate molecular sieve, its preparation method, and a catalyst containing the same are disclosed. The X-ray diffraction data of the molecular sieve before removing the template by calcination are as listed in Table 1. The molar composition of this molecular sieve after removing the template by calcination expressed in anhydrous oxides is Al2O3: yP2O5: zSiO2, in which y has a value of 0.60-1.20, and z has a value of 0.05-1.3, characterized in that after removing the template by calcination, its X-ray diffraction data are as listed in Table 3, and that the crystal structures of the molecular sieve before and after removing the template by calcination are substantially the same. The catalyst is composed of 10-85% by weight of said SAPO-11 molecular sieve, 0.05-1.5% by weight of Pd or Pt, and the balance is alumina.
    Type: Grant
    Filed: September 5, 2001
    Date of Patent: July 22, 2003
    Assignees: China Petroleum and Chemical Corporation, Research Institute of Petroleum Processing, Sinopec
    Inventors: Fengmei Zhang, Yucming Liu, Xingtian Shu, Weidong Wang, Fengming Qin
  • Patent number: 6556702
    Abstract: A lithography method and apparatus which represent a substrate surface as gray level values and determine a shape data that specifies a shape and position of a flash field. The apparatus receives a pattern in a vector format, represents the substrate surface as a grid of pixels, and then represents each pixel as a gray level value specifying a proportion of the pixel that includes the pattern. Subsequently the apparatus constructs a matrix of a quadrant of four pixels and surrounding pixels, modifies the matrix so that three intermediate shapes corresponding to an exposed region of the quadrant may be provided, determines an intermediate shape data of the quadrant; and performs a reverse modification on the shape to determine the shape data that specifies a flash field.
    Type: Grant
    Filed: January 6, 1999
    Date of Patent: April 29, 2003
    Assignee: Applied Materials, Inc.
    Inventors: Stephen A. Rishton, Weidong Wang, Volker Boegli, Ulrich Hofmann
  • Publication number: 20030055592
    Abstract: A system and method for analyzing error information from a semiconductor fabrication process. The system receives wafer map data describing a plurality of failing chips on a particular semiconductor wafer. The system utilizes the wafer map data to classify each of the failing chips into one of several error categories, such systematic errors, repeated or reticle errors, and random errors. The system further partitions the systematic errors into spatial clusters, which may be compared against a known library of spatial error patterns for identifying the origins of the systematic errors.
    Type: Application
    Filed: September 14, 2001
    Publication date: March 20, 2003
    Inventors: Jonathan B. Buckheit, Weidong Wang
  • Patent number: 6470229
    Abstract: A system and method for yield management is disclosed wherein a data set containing one or more prediction variable values and one or more response values is input into the system. The system can pre-process the input data set to remove prediction variables with missing values and data sets with missing values. The pre-processed data can then be used to generate a model that may be a decision tree. The system can accept user input to modify the generated model. Once the model is complete, one or more statistical analysis tools can be used to analyze the data and generate a list of the key yield factors for the particular data set.
    Type: Grant
    Filed: December 8, 1999
    Date of Patent: October 22, 2002
    Assignee: Yield Dynamics, Inc.
    Inventors: Weidong Wang, Jonathan B. Buckheit, David W. Budd
  • Publication number: 20020107925
    Abstract: A method and system provides a user with a permanent electronic mail (e-mail) address that the user uses to distribute to persons and entities that the user desires to have contact with. A list of addresses of persons and entities that the user desires to keep contact with is set up along with associated forwarding addresses. When an e-mail is received, the source address of the e-mail is compared with the list. If there is a match, the forwarding address is retrieved and the e-mail is forwarded using the forwarding address. If there is no match, the source address and/or the e-mail is stored, which is accessible by the user.
    Type: Application
    Filed: February 5, 2001
    Publication date: August 8, 2002
    Inventors: Robert Goldschneider, Michael Hren, Weidong Wang
  • Publication number: 20020104970
    Abstract: An apparatus includes: a rasterizer which rasterizes a surface of the substrate into pixels and outputs gray level values, where the gray level values specify a proportion of a pixel that overlaps with the pattern; a buffer coupled to receive and store the gray level values from the rasterizer; a flash converter coupled to receive the gray level values from the buffer, where the flash converter outputs shape data that define a flash field; a dose value circuitry coupled to the rasterizer, where the dose value circuitry computes dose values associated with the shape data; a converter coupled to receive the shape data from the flash converter and associated dose values from the dose value circuitry, where the converter outputs signals that specify a shape of the flash field, duration of the flash field, and a position of the flash field on the substrate; and a charged particle beam column coupled to receive the signals from the converter, and which generates the flash field as specified by the signals from the
    Type: Application
    Filed: May 8, 2001
    Publication date: August 8, 2002
    Inventors: Stacey J. Winter, Stephen A. Rishton, Jeffrey K. Varner, Allan L. Sagle, Lee H. Veneklasen, Weidong Wang, Mary Veneklasen
  • Patent number: 6262429
    Abstract: An electron beam column (or other charged particle beam column) for lithography which exposes a surface to variable shapes in a raster scan. The beam column includes an electron (or ion) source that generates a charged particle beam, a transfer lens, an upper aperture, an upper deflector, a lower aperture, a lower deflector, magnetic deflection coils, and a beam objective lens. The beam is first shaped as a square in cross section by the upper aperture. The upper deflector changes the direction of the square shaped beam to pass through a specific portion of an opening defined in the lower aperture to shape the beam as desired. The lower aperture defines either a cross shaped opening or four L-shaped openings arranged as corners of a square. The combination of upper and lower apertures enable definition of exterior and interior corners as well as horizontal and vertical edges of a pattern, so that only one flash need be exposed in any one location on the surface.
    Type: Grant
    Filed: January 6, 1999
    Date of Patent: July 17, 2001
    Assignee: Etec Systems, Inc.
    Inventors: Stephen A. Rishton, Jeffery K. Varner, Allan L. Sagle, Lee H. Veneklasen, Weidong Wang
  • Patent number: 6255412
    Abstract: There is provided a polymerization of a sticky polymer in the presence of a catalyst under polymerization conditions using carbon black as the inert particulate material, the improvement comprises conducting said polymerization in the presence of a carbon black that has been treated with a sulfur donor and/or an oxidizing agent.
    Type: Grant
    Filed: June 29, 1999
    Date of Patent: July 3, 2001
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Weidong Wang, Kevin Joseph Cann
  • Patent number: 6180738
    Abstract: There is provided a polymerization, especially a gas phase polymerization, of a sticky polymer in the presence of a catalyst under polymerization conditions using carbon black as an inert particulate material, the improvement comprises conducting said polymerization in the presence of a carbon black having a sugar-containing or sugar-derived binder, which carbon black is prepared by heating the carbon black to a temperature of at least about 280° C. for a time sufficient to decompose said sugar-containing or sugar-derived binder prior to polymerization.
    Type: Grant
    Filed: June 29, 1999
    Date of Patent: January 30, 2001
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Weidong Wang, Kevin Joseph Cann
  • Patent number: 6080698
    Abstract: A molecular sieve containing composition, which can be applied in catalytic cracking reaction for producing more ethylene and propylene, and its preparation method. The composition contains a pentasil-type molecular sieve having a SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio of 15-60, prepared by activation and modification with phosphorus, alkaline earth metal and transition metal. The composition essentially includes 85.about.98% wt of pentasil-type molecular sieve, 1.about.10% wt of P.sub.2 O.sub.5, 0.3.about.5% wt of alkaline earth oxide, and 0.3.about.5% wt of transition metal oxide. The molecular sieve structure and active centers have high thermal and hydrothermal stability. The salient feature of this composition is that when applied as an active component of cracking catalyst for catalytic pyrolysis process, the yield of ethylene is above 18% and the total yield of ethylene and propylene is more than 40%.
    Type: Grant
    Filed: September 17, 1998
    Date of Patent: June 27, 2000
    Assignees: China Petrochemical Corporation, Research Institute of Petroleum Processing
    Inventors: Fengmei Zhang, Xingtian Shu, Zhicheng Shi, Weidong Wang, Fengming Qin, Xieqing Wang
  • Patent number: 5600050
    Abstract: Disclosed is a modified zeolite catalyst for the liquid phase alkylation and transalkylation of benzene comprising 30 to 70% by weight of H-beta zeolite with a silicon to aluminium ratio of 20 to 40; 0.5 to 10% by weight of halogen; and .gamma.-Al.sub.2 O.sub.3 of the balance. Also disclosed a method for preparing the said catalyst comprising adding a halogen-containing compound to a mixture of H-beta zeolite and a precursor of .gamma.-Al.sub.2 O.sub.3, forming followed by calcining.
    Type: Grant
    Filed: December 14, 1994
    Date of Patent: February 4, 1997
    Assignees: ChinaPetro-Chemical Corp., Research Institute of Petroleum Processing
    Inventors: Zhiyuan Huang, Suxian Tian, Yali Xu, Bin Zhu, Weidong Wang, Fengmei Zhang, Xie Wang