Patents by Inventor Kaichang Li

Kaichang Li 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).

  • Patent number: 11453777
    Abstract: A polymer made by: (A) initially reacting poly(propylene glycol) with tolylene diisocyanate to form an intermediate product, and (B) subsequently reacting the resulting intermediate product with at least one polyol, wherein the polyol was derived from, or is, a plant oil.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: September 27, 2022
    Assignee: Oregon State University
    Inventors: Jian Huang, Anlong Li, Kaichang Li
  • Publication number: 20220251292
    Abstract: An ultraviolet radiation-curable composition comprising a polyester having at least one pendant ultraviolet radiation-curable moiety covalently bonded to the polyester, wherein the polyester does not contain any free-radically polymerizable activated C?C groups.
    Type: Application
    Filed: May 29, 2020
    Publication date: August 11, 2022
    Applicant: Oregon State University
    Inventors: Kaichang Li, Anlong Li
  • Publication number: 20220017788
    Abstract: A pressure sensitive adhesive construct comprising: (A) a backing substrate; and (B) a pressure sensitive adhesive composition disposed on the backing substrate, wherein the pressure sensitive adhesive composition includes an ultraviolet radiation-cured polymer made from: (a) at least one epoxidized plant oil, at least one epoxidized animal fat, or a mixture thereof; (b) at least one dicarboxylic acid, at least one polycarboxylic acid, or a mixture thereof; and (c) at least one compound that contains both one carbon-carbon double bond (C?C) and at least one carboxylic acid group.
    Type: Application
    Filed: November 18, 2019
    Publication date: January 20, 2022
    Applicant: Oregon State University
    Inventors: Kaichang Li, Anlong Li
  • Publication number: 20210395576
    Abstract: A pressure sensitive adhesive composition comprising a product made from: (i) an acetoacetic ester; (ii) a diacrylate; (iii) a crosslinking agent that contains more than two acryloyl groups; and (iv) a catalyst.
    Type: Application
    Filed: October 30, 2019
    Publication date: December 23, 2021
    Applicant: Oregon State University
    Inventors: Kaichang Li, Jian Huang
  • Publication number: 20200079957
    Abstract: A polymer made by: (A) initially reacting poly(propylene glycol) with tolylene diisocyanate to form an intermediate product, and (B) subsequently reacting the resulting intermediate product with at least one polyol, wherein the polyol was derived from, or is, a plant oil.
    Type: Application
    Filed: December 14, 2017
    Publication date: March 12, 2020
    Applicant: Oregon State University
    Inventors: Jian Huang, Anlong Li, Kaichang Li
  • Patent number: 10030182
    Abstract: A method for making a pressure sensitive adhesive comprising: (a) making at least one epoxidized fatty acid from at least one plant oil, marine oil, other ester of unsaturated fatty acid, or a mixture thereof; and (b) polymerizing the at least one epoxidized fatty acid to produce a pressure sensitive adhesive. A method for making a pressure sensitive adhesive comprising: (a) making epoxidized oleic acid, an epoxidized linoleic acid (including fully and partially epoxidized linoleic acid), or an epoxidized linolenic acid (including fully and partially epoxidized linolenic acid) from at least one plant oil, marine oil, other ester of unsaturated fatty acid, or making mixture thereof; and (b) polymerizing the epoxidized oleic acid, the epoxidized linoleic acid, the epoxidized linolenic acid, or the mixture thereof to produce a pressure sensitive adhesive.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: July 24, 2018
    Assignee: Oregon State University
    Inventors: Kaichang Li, Anlong Li
  • Patent number: 9974320
    Abstract: A chewing gum base comprises food acceptable substituted polysaccharides wherein substituents on the saccharide units in the polysaccharides produce a degree of substitution of at least I.0. The polysaccharides may have branches with an average length of 1 to 15 saccharide units per branch. The polysaccharides may be linked saccharide units such as allose, altrose, mannose, gulose, idose, galactose, 3,6 anhydro galactose, glucuronic acid, mannuronic acid, galacturonic acid, aldobiouronic acid, fucose, rhamnose, arabinose, xylose, talose, acyl substituted glucose, fructose, lactose and combinations thereof.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: May 22, 2018
    Assignee: WM. WRIGLEY JR. COMPANY
    Inventors: Xiaoqun Mo, Jingping Liu, Kaichang Li
  • Patent number: 9951260
    Abstract: A pressure sensitive adhesive construct comprising: (a) a backing substrate; and (b) a pressure sensitive adhesive composition disposed on the backing substrate, wherein the pressure sensitive adhesive includes a product made from at least one epoxidized vegetable oil and at least one dibasic acid or anhydride, or a combination of a dibasic acid or anhydride and a monobasic acid or anhydride.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: April 24, 2018
    Assignee: Oregon State University
    Inventors: Kaichang Li, Anlong Li
  • Publication number: 20170174806
    Abstract: A reaction product of: (a)) at least one cinnamyl alcohol or ester of cinnamic acid; (b) at least one unsaturated polyester resin, at least one vinyl ester resin, or a mixture of an unsaturated polyester resin and a vinyl ester resin; (c) at least one (meth)acrylated vegetable oil; and (d) a free radical initiator system.
    Type: Application
    Filed: March 20, 2015
    Publication date: June 22, 2017
    Applicant: Oregon State University
    Inventors: Kaichang LI, Yili WU
  • Patent number: 9556368
    Abstract: One embodiment is a pressure sensitive adhesive construct comprising: (a) a backing substrate; and (b) a pressure sensitive adhesive composition disposed on the backing substrate, wherein the pressure sensitive adhesive composition includes a product made from (i) at least one epoxidized vegetable oil and; (ii) a dimer acid or anhydride thereof, a trimer acid or anhydride thereof, a polymerized fatty acid or anhydride thereof, or a mixture thereof.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: January 31, 2017
    Assignee: Oregon State University
    Inventors: Kaichang Li, Anlong Li
  • Publication number: 20170009103
    Abstract: A method for making a pressure sensitive adhesive comprising: (a) reacting (i) at least one dibasic or polybasic carboxylic acid or anhydride thereof with (ii) at least one first epoxidized fatty acid at a stoichiometric molar excess of reactive carboxylic acid groups relative to reactive epoxy groups to produce a thermoplastic prepolymer or oligomer capped with a carboxylic acid group at both prepolymer or oligomer chain ends, or a thermoplastic branched prepolymer or oligomer with at least two of the prepolymer or oligomer branches and chain ends capped with a carboxylic acid group; and (b) curing the resulting carboxylic acid-capped prepolymer or oligomer with at least one difunctional epoxide or polyfunctional epoxide, and optionally at least one second epoxidized fatty acid, to produce a pressure sensitive adhesive, wherein the difunctional epoxide or polyfunctional epoxide is not an epoxidized vegetable oil.
    Type: Application
    Filed: January 20, 2015
    Publication date: January 12, 2017
    Applicant: Oregon State University
    Inventors: Kaichang Li, Anlong Li
  • Patent number: 9493693
    Abstract: A formaldehyde-free aqueous adhesive composition comprising (a) soy protein and (b) magnesium oxide or a mixture of magnesium oxide and magnesium hydroxide, wherein components (a) and (b) together constitute at least 50 weight percent of the composition, excluding the weight of the water.
    Type: Grant
    Filed: September 15, 2011
    Date of Patent: November 15, 2016
    Assignee: Oregon State University
    Inventor: Kaichang Li
  • Publication number: 20160194535
    Abstract: A pressure sensitive adhesive construct comprising: (a) a backing substrate; and (b) a pressure sensitive adhesive composition disposed on the backing substrate, wherein the pressure sensitive adhesive includes a product made from at least one epoxidized vegetable oil and at least one dibasic acid or anhydride, or a combination of a dibasic acid or anhydride and a monobasic acid or anhydride.
    Type: Application
    Filed: March 11, 2016
    Publication date: July 7, 2016
    Applicant: Oregon State University
    Inventors: Kaichang Li, Anlong Li
  • Patent number: 9315704
    Abstract: A pressure sensitive adhesive construct comprising: (a) a backing substrate; and (b) a pressure sensitive adhesive composition disposed on the backing substrate, wherein the pressure sensitive adhesive includes a product made from at least one epoxidized vegetable oil and at least one dibasic acid or anhydride, or a combination of a dibasic acid or anhydride and a monobasic acid or anhydride.
    Type: Grant
    Filed: June 7, 2011
    Date of Patent: April 19, 2016
    Assignee: Oregon State University
    Inventors: Kaichang Li, Anlong Li
  • Publication number: 20140345797
    Abstract: A method for making a pressure sensitive adhesive comprising: (a) making at least one epoxidized fatty acid from at least one plant oil, marine oil, other ester of unsaturated fatty acid, or a mixture thereof; and (b) polymerizing the at least one epoxidized fatty acid to produce a pressure sensitive adhesive. A method for making a pressure sensitive adhesive comprising: (a) making epoxidized oleic acid, an epoxidized linoleic acid (including fully and partially epoxidized linoleic acid), or an epoxidized linolenic acid (including fully and partially epoxidized linolenic acid) from at least one plant oil, marine oil, other ester of unsaturated fatty acid, or making mixture thereof; and (b) polymerizing the epoxidized oleic acid, the epoxidized linoleic acid, the epoxidized linolenic acid, or the mixture thereof to produce a pressure sensitive adhesive.
    Type: Application
    Filed: December 5, 2012
    Publication date: November 27, 2014
    Applicant: State of Oregon Acting by and through the State Board of higher Education on behalf of Oregon
    Inventors: Kaichang Li, Anlong Li
  • Publication number: 20140349109
    Abstract: A method for making a pressure sensitive adhesive comprising: (a) reacting (i) at least one dibasic acid or anhydride thereof with (ii) at least one epoxide having at least two epoxy groups, one diol or polyol, or one diamine at a stoichiometric molar excess of reactive carboxylic acid groups relative reactive epoxy groups, hydroxyl groups or amine groups to produce a thermoplastic prepolymer or oligomer capped with a carboxylic acid group at both prepolymer or oligomer chain ends, or a thermoplastic branched prepolymer or oligomer with at least two of the prepolymer or oligomer branches and chain ends capped with a carboxylic acid group; and (b) curing the resulting carboxylic acid-capped prepolymer or oligomer with at least one polyfunctional epoxy to produce a pressure sensitive adhesive, wherein the polyfunctional epoxy is not an epoxidized vegetable oil.
    Type: Application
    Filed: December 5, 2012
    Publication date: November 27, 2014
    Applicants: State University
    Inventors: Kaichang Li, Anlong Li
  • Publication number: 20140342153
    Abstract: One embodiment is a pressure sensitive adhesive construct comprising: (a) a backing substrate; and (b) a pressure sensitive adhesive composition disposed on the backing substrate, wherein the pressure sensitive adhesive composition includes a product made from (i) at least one epoxidized vegetable oil and; (ii) a dimer acid or anhydride thereof, a trimer acid or anhydride thereof, a polymerized fatty acid or anhydride thereof, or a mixture thereof.
    Type: Application
    Filed: December 5, 2012
    Publication date: November 20, 2014
    Applicants: State University
    Inventors: Kaichang Li, Anlong Li
  • Publication number: 20140314905
    Abstract: A chewing gum base comprises food acceptable substituted polysaccharides wherein substituents on the saccharide units in the polysaccharides produce a degree of substitution of at least I.0. The polysaccharides may have branches with an average length of 1 to 15 saccharide units per branch. The polysaccharides may be linked saccharide units such as allose, altrose, mannose, gulose, idose, galactose, 3,6 anhydro galactose, glucuronic acid, mannuronic acid, galacturonic acid, aldobiouronic acid, fucose, rhamnose, arabinose, xylose, talose, acyl substituted glucose, fructose, lactose and combinations thereof.
    Type: Application
    Filed: October 26, 2012
    Publication date: October 23, 2014
    Inventors: Xiaoqun Mo, Jingping Liu, Kaichang Li
  • Publication number: 20130302631
    Abstract: A formaldehyde-free aqueous adhesive composition comprising (a) soy protein and (b) magnesium oxide or a mixture of magnesium oxide and magnesium hydroxide, wherein components (a) and (b) together constitute at least 50 weight percent of the composition, excluding the weight of the water.
    Type: Application
    Filed: September 15, 2011
    Publication date: November 14, 2013
    Applicant: The State of Oregon acting by and through the State Board of Higher Education on behalf of
    Inventor: Kaichang Li
  • Publication number: 20130078464
    Abstract: A pressure sensitive adhesive construct comprising: (a) a backing substrate; and (b) a pressure sensitive adhesive composition disposed on the backing substrate, wherein the pressure sensitive adhesive includes a product made from at least one epoxidized vegetable oil and at least one dibasic acid or anhydride, or a combination of a dibasic acid or anhydride and a monobasic acid or anhydride.
    Type: Application
    Filed: June 7, 2011
    Publication date: March 28, 2013
    Inventors: Kaichang Li, Anlong Li