Patents by Inventor Evgeny Avtomonov

Evgeny Avtomonov 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: 20210317350
    Abstract: The present invention relates to an adhesive and application thereof, and a bonded product obtained by using the adhesive. The adhesive comprises: a. at least one aqueous polyurethane dispersion; b. at least one surface passivated polyisocyanate; c. at least one polycarbodiimide having a weight-average molecular weight of 500 to 100,000; and d. optionally a carbodiimide having a carbodiimide group functionality of 1. The coating formed by the adhesive provided according to the present invention has good hydrolysis resistance.
    Type: Application
    Filed: August 15, 2019
    Publication date: October 14, 2021
    Inventors: Chen JIN, Yingdan ZHU, Songli WEI, Qinglin SONG, Chenxi ZHANG, Evgeny AVTOMONOV
  • Publication number: 20210317306
    Abstract: The present invention relates to a composition, preparation and use thereof, and a product coated with the composition. The composition comprises: (a) a polyurethane polymer which is a reaction product comprising the following components: (a1) a polyisocyanate, (a2) a compound having an isocyanate-reactive group, which comprises a polymer polyol selected from one or more of the following: a polyether polyol and a polyolefin polyol, (a3) optionally an emulsifier, (a4) optionally a solvent, and (a5) optionally a reactive diluent; (b) an organic antioxidant in an amount of 0.01 wt % to 2.4 wt %, based on the total weight of solid components of the composition; (c) a chelating agent; and (d) water. The composition according to the present invention has good high-temperature yellowing resistance.
    Type: Application
    Filed: August 21, 2019
    Publication date: October 14, 2021
    Inventors: Yingdan Zhu, Chen Jin, Evgeny Avtomonov
  • Publication number: 20210269670
    Abstract: The present invention relates to a composition, preparation and use thereof, and a product coated with the composition. The composition comprises: (a) a polyurethane polymer which is a reaction product comprising the following components: (a1) a polyisocyanate, (a2) a compound having an isocyanate-reactive group, which comprises a polyester polyol in an amount of more than 10 wt %, based on the total weight of the compound having an isocyanate-reactive group, (a3) optionally an emulsifier, (a4) optionally a solvent, and (a5) optionally a reactive diluent; (b) an organic antioxidant in an amount of 0.001 wt % to 1 wt %, based on the total weight of solid components of the composition; (c) a chelating agent; and (d) water. The composition according to the present invention has good yellowing resistance.
    Type: Application
    Filed: August 21, 2019
    Publication date: September 2, 2021
    Inventors: Chen Jin, Yingdan Zhu, Evgeny Avtomonov
  • Publication number: 20210147607
    Abstract: The present invention relates to an aqueous polyurethane-urea dispersion comprising at least one polyurethane-urea made of (A1) at least one polyisocyanate, (A2) at least one polycarbonate polyol having a heat flow below 3 J/g in the first circle of DSC testing from 20 to 100° C. according to testing method DIN 65467-1999, (A3) optionally, at least one polyether polyol with an OH functionality of 1.8 to 2.2, preferably 2.0, (A4) optionally, at least one compound having a molecular weight of 62 to 400 g/mol and possessing in total two or more hydroxyl and/or amino groups, (A5) optionally, at least one isocyanate-reactive nonionically hydrophilicizing compound, (A6) optionally, at least one isocyanate-reactive, ionically, or potentially ionically, hydrophilicizing compound, (A7) optionally, at least one neutralizing reagents, (A8) optionally, at least one additive, to a process for the preparation of sais aqueous polyurethane-urea dispersion, and to its use as a coating composition.
    Type: Application
    Filed: November 10, 2020
    Publication date: May 20, 2021
    Inventors: Zhirong Fan, Sujuan Zhai, Evgeny Avtomonov
  • Publication number: 20210130532
    Abstract: The present invention relates to an aqueous dispersion of polyurethane and a method for preparing the same, use thereof in a coating composition, and a coated product. The aqueous dispersion of polyurethane comprises a polyurethane polymer which is obtained by a reaction of a reaction mixture comprising a polyurethane prepolymer A) and an isocyanate-reactive component B), said polyurethane prepolymer A) being obtained by a reaction comprising the following components: A1) a polyisocyanate which has a functionality of not less than 2; and A2) a multifunctional polyether polyol which has a functionality of not less than 3 in an amount of 1% to 30% by weight, based on the amount of said reaction mixture as 100% by weight. The aqueous dispersion of polyurethane according to the present invention is well dispersed, and is capable of forming a coat with good waterproof, moisture permeability and washing resistance.
    Type: Application
    Filed: December 18, 2017
    Publication date: May 6, 2021
    Inventors: Evgeny AVTOMONOV, Zhirong FAN, Rolf IRNICH, Sujuan ZHAI
  • Patent number: 10913814
    Abstract: The present invention relates to an aqueous dispersion based on polyurethane-urea, a composition comprising the same, and a use of the same in a coating agent, a sealant and an adhesive. The aqueous polyurethane-urea dispersion comprises a polyurethane-urea dispersed therein having sulfonate and/or carboxylate groups and lateral carboxyl groups, wherein the amount of said sulfonate and or carboxylate groups is 1.5 to 15 mmol/100 g; said lateral carboxyl is introduced by an aminocarboxylic acid having an amino functionality of greater than 1; the amount of said lateral carboxyl is 1.5 to 9.5 mmol/100 g, based on the polyurethane-urea solid components. Compared with the prior art, the composition of the polyurethane-urea based aqueous dispersion and a carboxyl reactive cross-linking agent provided by the present invention has a good cross-linking property and an excellent heat-resistance, which is not prone to come unglued when being exposed to heat.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: February 9, 2021
    Assignee: Covestro Deutschland AG
    Inventors: Chen Jin, Winnie Wei, Evgeny Avtomonov, Anand Khot, Yingdan Zhu
  • Patent number: 10882942
    Abstract: The invention relates to storage-stable aqueous dispersions of hydrophilically modified polycarbodiimide resins, a method for producing same, and the use of a salt component to reduce carbodiimide hydrolysis in aqueous polycarbodiimide dispersions.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: January 5, 2021
    Assignee: Covestro Deutschland AG
    Inventors: Joerg Buechner, Michael Ludewig, Evgeny Avtomonov, Martin Melchiors
  • Publication number: 20200385508
    Abstract: The invention relates to storage-stable aqueous dispersions of hydrophilically modified polycarbodiimide resins, a method for producing same, and the use of a salt component to reduce carbodiimide hydrolysis in aqueous polycarbodiimide dispersions.
    Type: Application
    Filed: December 12, 2018
    Publication date: December 10, 2020
    Inventors: Joerg Buechner, Michael Ludewig, Evgeny Avtomonov, Martin Melchiors
  • Publication number: 20200362196
    Abstract: The invention relates to a polyurethane polymer-based aqueous dispersion and a method for preparing the same, a composition comprising the aqueous dispersion, use of the composition, and a coated article. The aqueous dispersion comprises a polyurethane polymer and water, wherein the polyurethane polymer is obtained by reacting a system comprising the following components: an isocyanate compound comprising a pentamethylene diisocyanate, wherein the amount of the pentamethylene diisocyanate is not less than 25 wt. % based on that the amount of the isocyanate compound is 100 wt. %; a polymer polyol having a number average molecular weight of not less than 400 g/mol, wherein the polymer polyol comprises a carbon dioxide-derived polyether carbonate polyol, the amount of which is not less than 40 wt. % based on that the amount of the polymer polyol is 100 wt.
    Type: Application
    Filed: December 27, 2018
    Publication date: November 19, 2020
    Inventors: Zhirong Fan, Su Juan Zhai, Evgeny Avtomonov, Hans Georg Grablowitz, Thomas Michaelis
  • Publication number: 20200339808
    Abstract: The invention relates to dispersion adhesives based on aqueous polyurethane or polyurethane-urea dispersions, which meet the requirements for industrial shoe manufacturing, in particular with simultaneous drying and activation at low temperatures, and also to the use of the dispersion adhesives for the production of adhesive composites.
    Type: Application
    Filed: January 15, 2019
    Publication date: October 29, 2020
    Inventors: Harald KRAUS, Wolfgang ARNDT, Evgeny AVTOMONOV
  • Publication number: 20200062994
    Abstract: The present invention relates to a composition, a process for its production, and use thereof. The composition comprises water, a polyurethane polymer and a water-soluble salt of a chelating agent, said polyurethane polymer having a hydrolyzable group, said polyurethane polymer is a reaction product comprising the following reactive components: Component A) an isocyanate, Component B) a compound having an isocyanate-reactive group, wherein said compound comprises at least one group that can be converted to said hydrolyzable group, optionally Component C) an emulsifier, optionally Component D) a solvent, and optionally Component E) a reactive diluent; said water-soluble salt of the chelating agent is present in an amount of from 0.04 to 1.
    Type: Application
    Filed: February 28, 2018
    Publication date: February 27, 2020
    Inventors: Sebastian DÖRR, Evgeny AVTOMONOV, Yingdan ZHU, Chen JIN, Winnie WEI, Maria ZHOU
  • Publication number: 20190010272
    Abstract: The present invention relates to an aqueous dispersion based on polyurethane-urea, a composition comprising the same, and a use of the same in a coating agent, a sealant and an adhesive. The aqueous polyurethane-urea dispersion comprises a polyurethane-urea dispersed therein having sulfonate and/or carboxylate groups and lateral carboxyl groups, wherein the amount of said sulfonate and or carboxylate groups is 1.5 to 15 mmol/100 g; said lateral carboxyl is introduced by an aminocarboxylic acid having an amino functionality of greater than 1; the amount of said lateral carboxyl is 1.5 to 9.5 mmol/100 g, based on the polyurethane-urea solid components. Compared with the prior art, the composition of the polyurethane-urea based aqueous dispersion and a carboxyl reactive cross-linking agent provided by the present invention has a good cross-linking property and an excellent heat-resistance, which is not prone to come unglued when being exposed to heat.
    Type: Application
    Filed: December 27, 2016
    Publication date: January 10, 2019
    Applicant: Covestro Deutschland AG
    Inventors: CHEN JIN, Winnie WEI, Evgeny AVTOMONOV, Anand KHOT, Yingdan ZHU
  • Patent number: 9353221
    Abstract: The present invention relates to aqueous dispersions containing hydrophilized polycarbodiimides, methods for producing the aqueous dispersions according to the invention, their use as a constituent of binders in adhesives, lacquers, paints, paper coating compounds or in fiber nonwovens and articles made of wood, metal, textile, leather or plastic, which are treated with the aqueous dispersion according to the invention.
    Type: Grant
    Filed: March 28, 2011
    Date of Patent: May 31, 2016
    Assignee: Covestro Deutschland AG
    Inventors: Evgeny Avtomonov, Harald Kraus, Sebastian Dörr, Dirk Achten, Jörg Büchner
  • Patent number: 9206331
    Abstract: The invention relates to a method for producing aqueous polyurethane-polyurea dispersions, aqueous polyurethane-polyurea dispersions produced by this method and their use to produce coating agents and adhesives.
    Type: Grant
    Filed: April 13, 2011
    Date of Patent: December 8, 2015
    Assignee: Covestro Deutschland AG
    Inventors: Alfred Zastrow, Reiner Witkowski, Ralf Werner, Gerald Kurek, Thorsten Rische, Evgeny Avtomonov, Harald Kraus, Henricus Peerlings
  • Publication number: 20150051337
    Abstract: The present invention relates to a method for the continuous production of water-dispersible vinyl polymers, comprising the step of mixing at least a first and a second component and then passing the mixed components through a first delay section, the first component comprising at least one radically polymerizable, hydroxyl group-containing monomer and the second component comprising at least one initiator. The first delay section comprises at least one mixing element selected from the group consisting of static mixing elements and dynamic mixing elements and has a heat transfer rate of ?10 kW/(K m3) to ?750 k W/(K m3). The invention further concerns a water-dispersible vinyl polymer, obtainable by a method according to the invention, the use of the polymers according to the invention for the manufacturing of coatings, adhesives or sealants and an article coated with a cross-linked polymer according to the invention.
    Type: Application
    Filed: September 11, 2012
    Publication date: February 19, 2015
    Applicant: Bayer Intellectual Property GmbH Creative Campus Monheim
    Inventors: Evgeny Avtomonov, Björn Henninger, Matthias Ruhland, Reiner Witkowski, Rolf Bachmann
  • Publication number: 20140249266
    Abstract: The present invention relates to aqueous polyurethane urea dispersions based on polyester polyols, which dispersions result in low emissions and are used as coating compositions.
    Type: Application
    Filed: March 28, 2012
    Publication date: September 4, 2014
    Applicant: Bayer Intellectual Property GmbH
    Inventors: Hans Georg Grablowitz, Thomas Feller, Thomas Michaelis, Evgeny Avtomonov
  • Publication number: 20130143458
    Abstract: The present invention relates to aqueous dispersions containing hydrophilized polycarbodiimides, methods for producing the aqueous dispersions according to the invention, their use as a constituent of binders in adhesives, lacquers, paints, paper coating compounds or in fibre nonwovens and articles made of wood, metal, textile, leather or plastic, which are treated with the aqueous dispersion according to the invention.
    Type: Application
    Filed: March 28, 2011
    Publication date: June 6, 2013
    Inventors: Evgeny Avtomonov, Harald Kraus, Sebastian Dörr, Dirk Achten, Jörg Büchner
  • Publication number: 20130144007
    Abstract: The invention relates to a method for producing aqueous polyurethane-polyurea dispersions, aqueous polyurethane-polyurea dispersions produced by this method and their use to produce coating agents and adhesives.
    Type: Application
    Filed: April 13, 2011
    Publication date: June 6, 2013
    Applicant: Bayer Intellectual Property GmbH
    Inventors: Alfred Zastrow, Reiner Witkowski, Ralf Werner, Gerald Kurek, Thorsten Rische, Evgeny Avtomonov, Harald Kraus, Henricus Peerlings