Patents by Inventor Hristo Angelov Hristov

Hristo Angelov Hristov 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: 20220065664
    Abstract: A monolithic integrated proximity sensor device includes a semiconductor substrate with an active surface with at least one active or passive component or bond pad; an interconnection stack having a plurality of at least two metal layers; at least a first transmitter coil having a first spiral course with at least three turns formed in at least one or at least two metal layers and defining the first region having a first inner and outer periphery; at least a first receiver coil having a second spiral course with at least three turns formed in at least one or at least two metal layers and defining a second region having a second inner and outer periphery. At least one component or bond pad is located inside the first or second inner periphery.
    Type: Application
    Filed: August 24, 2021
    Publication date: March 3, 2022
    Inventors: Hristo Angelov HRISTOV, Dieter VERSTREKEN, Rumen Marinov PEEV, Kostadin IVANOV, Kostadin Dimitrov BOBCHEV
  • Publication number: 20100318050
    Abstract: The present invention can provide a distinctive article which includes a plurality of fibers (62), wherein the fibers include a selected polymer, fiber material. In a particular aspect, the fiber material can exhibit a “low” crystallization rate. In other aspects, the fiber material has been subjected to a low fiber-draw percentage, and the polymer in the fibers can have a high crystalline content of at least 30%. In still other aspects, the fibers can be configured to provide a fibrous web (60), and the fibrous web (60) can have a distinctive tensile strength quotient, with respect to tensile strengths along its machine-direction (22) and cross-direction (24).
    Type: Application
    Filed: July 14, 2010
    Publication date: December 16, 2010
    Inventors: Vasily A. Topolkaraev, Jayant Chakravarty, Kevin Christopher Possell, Hristo Angelov Hristov
  • Patent number: 7780903
    Abstract: The present invention can provide a distinctive method and process for making polymer fibers (62) and nonwoven fabric webs (60). The method can include providing a fiber material that exhibits a low crystallization rate. In a particular aspect, the fiber material can be subjected to an anneal-quench at an anneal-quench temperature that approximates a prime-temperature at which the polymer material most rapidly crystallizes. In another aspect, the fiber material can be subjected to a fiber-draw at a selected fiber-draw temperature, and in a further aspect, the fiber-draw temperature can be configured to approximate the prime-temperature of the polymer material. In still other aspects, the fiber material can be subjected to a relatively small amount of fiber-draw, and the fiber-draw can be provided at a relatively low fiber-draw speed.
    Type: Grant
    Filed: June 1, 2005
    Date of Patent: August 24, 2010
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Vasily A. Topolkaraev, Jayant Chakravarty, Kevin Christopher Possell, Hristo Angelov Hristov
  • Patent number: 7247675
    Abstract: Compositions of high and low performance elastomer are formed using a process that chemically reacts some of the high and low performance elastomers together to form a graft copolymer. The elastomeric compositions provide intimately mixed elastomeric compositions which are thermodynamically stable and do not phase separate. The elastomeric compositions exhibit a variety of improved properties compared to simple blends of the same high and low performance elastomers in the same weight proportions. The elastomeric compositions are useful for producing films, fabrics, and laminates for use in a wide variety of personal care and medical articles.
    Type: Grant
    Filed: December 30, 2003
    Date of Patent: July 24, 2007
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Oomman Painummoottil Thomas, Vasily Aramovich Topolkaraev, Glen Thomas Mildenhall, Tamara Lee Mace, Hristo Angelov Hristov, Dennis Lloyd Hasha
  • Patent number: 6838154
    Abstract: There is provided a resilient, three dimensional material having fibrous texture and appearance and capable of fluid handling. It consists of a top surface and a bottom surface wherein fiber-like elements typically extend from one surface to the other forming flat to undulating surfaces characterized by a multiplicity of interconnected fluid passageways. Deformed, discontinuous film-like or encapsulated regions connect fiber-like elements and stabilize the material. The material of this invention is unique based on the three principle characteristics which are communicated in this application: 1) ff(?)<0.87, 2) SA/VV<186 cm2/cm3, and 3) caliper<0.150 inches. This material is useful for a number of purposes, such as for use as a liner for personal care products like diapers, absorbent underpants, swim wear, feminine hygiene products, adult incontinence products and the like.
    Type: Grant
    Filed: December 9, 1998
    Date of Patent: January 4, 2005
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Eugenio Go Varona, Monica Lynn Bontrager, Jaime Braverman, Kuo-Shu Edward Chang, Michael Allen Daley, Karen Lynn English, Arthur Edward Garavaglia, Hristo Angelov Hristov, Nancy Donaldson Kollin, Tamara Lee Mace, David Michael Matela, Sharon Rymer, Reginald Smith, Roland Columbus Smith, Jr., Michael Donald Sperl
  • Publication number: 20030130635
    Abstract: The present invention relates to absorbent articles including compositions having improved rheological properties. The compositions of the invention exhibit improved spreading characteristics and would provide a more even distribution of skin care compounds on the skin of the wearer of the absorbent articles. The improved spreading characteristics are quantified by a Tangent Delta measurement. The present invention also relates to absorbent articles including compositions that contain silicone elastomers.
    Type: Application
    Filed: December 22, 2001
    Publication date: July 10, 2003
    Inventors: Martha Lillian Tate, Duane Gerard Krzysik, Hristo Angelov Hristov, Samuel Qcheng Lin