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).
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Patent number: 11453777Abstract: 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: GrantFiled: December 14, 2017Date of Patent: September 27, 2022Assignee: Oregon State UniversityInventors: Jian Huang, Anlong Li, Kaichang Li
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Publication number: 20220251292Abstract: 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: ApplicationFiled: May 29, 2020Publication date: August 11, 2022Applicant: Oregon State UniversityInventors: Kaichang Li, Anlong Li
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Publication number: 20220017788Abstract: 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: ApplicationFiled: November 18, 2019Publication date: January 20, 2022Applicant: Oregon State UniversityInventors: Kaichang Li, Anlong Li
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Publication number: 20210395576Abstract: 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: ApplicationFiled: October 30, 2019Publication date: December 23, 2021Applicant: Oregon State UniversityInventors: Kaichang Li, Jian Huang
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Publication number: 20200079957Abstract: 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: ApplicationFiled: December 14, 2017Publication date: March 12, 2020Applicant: Oregon State UniversityInventors: Jian Huang, Anlong Li, Kaichang Li
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Patent number: 10030182Abstract: 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: GrantFiled: December 5, 2012Date of Patent: July 24, 2018Assignee: Oregon State UniversityInventors: Kaichang Li, Anlong Li
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Patent number: 9974320Abstract: 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: GrantFiled: October 26, 2012Date of Patent: May 22, 2018Assignee: WM. WRIGLEY JR. COMPANYInventors: Xiaoqun Mo, Jingping Liu, Kaichang Li
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Patent number: 9951260Abstract: 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: GrantFiled: March 11, 2016Date of Patent: April 24, 2018Assignee: Oregon State UniversityInventors: Kaichang Li, Anlong Li
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Publication number: 20170174806Abstract: 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: ApplicationFiled: March 20, 2015Publication date: June 22, 2017Applicant: Oregon State UniversityInventors: Kaichang LI, Yili WU
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Patent number: 9556368Abstract: 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: GrantFiled: December 5, 2012Date of Patent: January 31, 2017Assignee: Oregon State UniversityInventors: Kaichang Li, Anlong Li
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Publication number: 20170009103Abstract: 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: ApplicationFiled: January 20, 2015Publication date: January 12, 2017Applicant: Oregon State UniversityInventors: Kaichang Li, Anlong Li
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Patent number: 9493693Abstract: 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: GrantFiled: September 15, 2011Date of Patent: November 15, 2016Assignee: Oregon State UniversityInventor: Kaichang Li
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Publication number: 20160194535Abstract: 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: ApplicationFiled: March 11, 2016Publication date: July 7, 2016Applicant: Oregon State UniversityInventors: Kaichang Li, Anlong Li
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Patent number: 9315704Abstract: 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: GrantFiled: June 7, 2011Date of Patent: April 19, 2016Assignee: Oregon State UniversityInventors: Kaichang Li, Anlong Li
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Publication number: 20140345797Abstract: 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: ApplicationFiled: December 5, 2012Publication date: November 27, 2014Applicant: State of Oregon Acting by and through the State Board of higher Education on behalf of OregonInventors: Kaichang Li, Anlong Li
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Publication number: 20140349109Abstract: 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: ApplicationFiled: December 5, 2012Publication date: November 27, 2014Applicants: State UniversityInventors: Kaichang Li, Anlong Li
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Publication number: 20140342153Abstract: 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: ApplicationFiled: December 5, 2012Publication date: November 20, 2014Applicants: State UniversityInventors: Kaichang Li, Anlong Li
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Publication number: 20140314905Abstract: 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: ApplicationFiled: October 26, 2012Publication date: October 23, 2014Inventors: Xiaoqun Mo, Jingping Liu, Kaichang Li
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Publication number: 20130302631Abstract: 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: ApplicationFiled: September 15, 2011Publication date: November 14, 2013Applicant: The State of Oregon acting by and through the State Board of Higher Education on behalf ofInventor: Kaichang Li
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Publication number: 20130078464Abstract: 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: ApplicationFiled: June 7, 2011Publication date: March 28, 2013Inventors: Kaichang Li, Anlong Li