Patents by Inventor Chunhua Li

Chunhua 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).

  • MULTILAYER DENTAL APPLIANCES AND RELATED METHODS AND SYSTEMS
    Publication number: 20190183611
    Abstract: A dental appliance for positioning a patient's teeth includes a removable orthodontic tooth positioning appliance having teeth receiving cavities shaped to directly receive at least some of the patient's teeth and apply a resilient positioning force to the patient's teeth. The appliance includes a hard polymer layer having a hard polymer layer elastic modulus disposed between a first soft polymer layer having a first soft polymer layer elastic modulus and a second soft polymer layer having a second soft polymer layer elastic modulus. The hard polymer layer elastic modulus is greater than each of the first soft polymer layer elastic modulus and the second soft polymer layer elastic modulus. At least one of the first soft polymer layer and the second soft polymer layer has a flexural modulus of greater than about 35,000 psi.
    Type: Application
    Filed: July 23, 2018
    Publication date: June 20, 2019
    Inventors: Chunhua LI, Yan CHEN, Heinz PUDLEINER, Klaus MEYER, Joerg NICKEL, Craig PEHLERT
  • Nail compositions containing silicone-organic polymer hybrid compound and alkyd resin
    Patent number: 10307364
    Abstract: The invention relates to nail compositions comprising at least one silicone-organic polymer hybrid compound and at least one alkyd resin.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: June 4, 2019
    Assignee: L'OREAL
    Inventors: Aline Aude Guimont, Chunhua Li, Hy Si Bui, Christopher Michael MacNeill, Tsang-Min Huang, XianZhi Zhou, Chaitrali Makarand Gothe, Ronni Lynn Weinkauf
  • MASCARA COMPOSITIONS INCLUDING VINYLPYRROLIDONE HOMOPOLYMER AND INORGANIC PARTICULATE
    Publication number: 20190159993
    Abstract: A mascara composition including a film-forming polymer portion and a particulate portion is provided. The film-forming polymer portion comprises a high molecular weight vinylpyrrolidone homopolymer and the particulate portion comprises an inorganic particulate. The mascara composition comprises at least about ten percent by weight of the vinylpyrrolidone homopolymer and is substantially free of wax. Methods of applying makeup to the eyelashes are also provided.
    Type: Application
    Filed: November 29, 2017
    Publication date: May 30, 2019
    Applicant: L'OREAL
    Inventors: Christopher PANG, Jody EBANKS, Chunhua LI
  • MASCARA COMPOSITIONS COMPRISING A POLYMER HAVING CYCLIC AMIDE, CYCLIC AMINE AND ACRYLAMIDE FUNCTIONALITY
    Publication number: 20190159996
    Abstract: A mascara composition includes at least about 7 percent by weight of a non-ionic water-soluble or water dispersible copolymer that includes a cyclic amide monomer, a cyclic amine monomer, and an acrylamide monomer. Methods of applying makeup to the eyelashes are also provided.
    Type: Application
    Filed: November 29, 2017
    Publication date: May 30, 2019
    Applicant: L'OREAL
    Inventors: XianZhi ZHOU, Christopher PANG, Jody EBANKS, Chunhua LI
  • MULTILAYER DENTAL APPLIANCES AND RELATED METHODS AND SYSTEMS
    Publication number: 20190159870
    Abstract: A dental appliance for positioning a patient's teeth includes a removable orthodontic tooth positioning appliance having teeth receiving cavities shaped to directly receive at least some of the patient's teeth and apply a resilient positioning force to the patient's teeth. The appliance includes a hard polymer layer having a hard polymer layer elastic modulus disposed between a first soft polymer layer having a first soft polymer layer elastic modulus and a second soft polymer layer having a second soft polymer layer elastic modulus. The hard polymer layer elastic modulus is greater than each of the first soft polymer layer elastic modulus and the second soft polymer layer elastic modulus. At least one of the first soft polymer layer and the second soft polymer layer has a flexural modulus of greater than about 35,000 psi.
    Type: Application
    Filed: January 31, 2019
    Publication date: May 30, 2019
    Inventors: Chunhua LI, Yan CHEN, Heinz PUDLEINER, Klaus MEYER, Joerg NICKEL, Craig PEHLERT
  • COMPOSITIONS FOR REMOVING NAIL POLISH
    Publication number: 20190159990
    Abstract: The invention relates to compositions for removing nail polish comprising a C2-C3 monoalcohol, glycerin, and propylene carbonate, wherein the glycerin and propylene carbonate are present in a glycerin to propylene carbonate ratio by weight of at least 1:3 and the concentration by weight of ethanol is at least about 16%. Methods of removing nail polish and moisturizing the hands are also provided.
    Type: Application
    Filed: August 30, 2018
    Publication date: May 30, 2019
    Applicant: L'OREAL
    Inventors: Aline Aude GUIMONT, Chunhua LI
  • COMPOSITIONS COMPRISING GLYCERIN, MONOALCOHOL AND A DIESTER
    Publication number: 20190159985
    Abstract: The invention relates to compositions for removing nail polish including at least about 20% by weight of a C2-C3 monoalcohol, at least about 10% by weight of glycerin, and a diester of a dicarboxylic acid. The compositions optionally include water. The water, if present, is present in a concentration by weight that is less than the concentration by weight of glycerin. If the concentration of glycerin is from 30% to 60% by weight, then the concentration of C2-C3 monoalcohol is at least about 30% by weight.
    Type: Application
    Filed: October 30, 2018
    Publication date: May 30, 2019
    Applicant: L'OREAL
    Inventors: Aline Aude Guimont, Chunhua LI
  • Treatment plan specific bite adjustment structures
    Patent number: 10299894
    Abstract: A series of appliances including a first shell and a second shell can be designed to incrementally implement a treatment plan. The first and second shells can have cavities designed to receive teeth of a jaw. A first bite adjustment structures can be formed of a same material as the first shell, extending from the first shell and designed to interface with teeth of a second jaw. A second bite adjustment structures can be formed of a same material as the second shell, extending from the second shell and designed to interface with teeth of the second jaw. The first and the second bite adjustment structures can have respective shapes and locations specific to respective stages of the treatment plan.
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: May 28, 2019
    Assignee: Align Technology, Inc.
    Inventors: Rohit Tanugula, John Morton, Chunhua Li, Bastien Pesenti, Jihua Cheng, Jeeyoung Choi
  • MULTI-LAYER FILM WITH IMPROVED MODULUS PROPERTIES
    Publication number: 20190143653
    Abstract: The invention relates to a multi-layer, preferably co-extruded, plastic film with improved modulus properties, which is suitable, in particular, for producing three-dimensionally shaped articles.
    Type: Application
    Filed: December 19, 2018
    Publication date: May 16, 2019
    Inventors: Heinz Pudleiner, Klaus Meyer, Juergen Winkler, Wolfgang Braeuer, Joerg Nickel, Craig Pehlert, Chunhua Li, Yan Chen
  • Multi-layer film with improved modulus properties
    Patent number: 10286635
    Abstract: The invention relates to a multi-layer, preferably co-extruded, plastic film with improved modulus properties, which is suitable, in particular, for producing three-dimensionally shaped articles.
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: May 14, 2019
    Assignee: Covestro Deutschland Aktiengesellschaft
    Inventors: Heinz Pudleiner, Klaus Meyer, Juergen Winkler, Wolfgang Braeuer, Joerg Nickel, Craig Pehlert, Chunhua Li, Yan Chen
  • DENTAL APPLIANCE HAVING ORNAMENTAL DESIGN
    Publication number: 20190133732
    Abstract: A dental appliance having an integrally formed reservoir and/or an ornamental design integrated thereon. The ornamental design can be selected or customized by a patient. The design can be created by directing energy to the dental appliance to alter a material property of at least a portion of the appliance to create the design. Alternatively, a groove or recess can be formed on a surface of the appliance to either mechanically retain an ornamental design or the groove or recess can be filled with ink to form the design. The appliance, including the integrally formed reservoir, can be formed using direct fabrication techniques.
    Type: Application
    Filed: November 6, 2018
    Publication date: May 9, 2019
    Inventors: David MASON, Shiva SAMBU, Chunhua LI, Yan CHEN
  • PREPARATION METHOD FOR PRINTING OLED DISPLAY
    Publication number: 20190123308
    Abstract: The invention discloses a preparation method for a printing OLED display, comprising the following steps: preparing a hole injection layer, a hole transfer layer or an electron blocking layer on an anodic substrate; forming a soluble fluorine-containing insulation layer with a printing method to encapsulate the whole substrate; performing inkjet printing on the soluble fluorine-containing insulation layer with a fluorine solvent to wash to expose all sub-pixel pits; performing inkjet printing with the solution drops of luminescent materials to form a RGB luminescent layer in the sub-pixel pits; preparing an electron injection layer, an electron transfer layer or a hole blocking layer; preparing a cathode with a printing method or an evaporating method, and finally performing encapsulation to complete the preparation of the single printing OLED display.
    Type: Application
    Filed: June 19, 2018
    Publication date: April 25, 2019
    Inventors: Hua ZHENG, Lei YANG, Wei ZHANG, Lixian FAN, Geng ZHANG, Shaoqiang ZHANG, Minxia LIU, Chunhua LI
  • COSMETIC COMPOSITIONS CONTAINING ACRYLIC THICKENER
    Publication number: 20190110976
    Abstract: The invention relates to a composition, especially a cosmetic composition, comprising at least one acrylic thickener and at least one oil, as well as to methods of using such compositions.
    Type: Application
    Filed: October 16, 2018
    Publication date: April 18, 2019
    Applicant: L'ORÉAL
    Inventors: Chunhua LI, Hy Si BUI, Dhaval PATEL, Mohamed KANJI, Geoffrey WHITE
  • PHOTO-CURABLE COSMETIC COMPOSITIONS
    Publication number: 20190091492
    Abstract: Disclosed herein are cosmetic compositions comprising (1) at least one polyvinyl alcohol-styrylpyridinium polymer and (2) at least one latex film-forming polymer. Also disclosed herein are methods for making up and/or enhancing the appearance of a keratinous substrate comprising (1) forming a film on the keratinous substrate by applying to said keratinous substrate a cosmetic composition comprising (a) at least one polyvinyl alcohol-styrylpyridinium polymer and (2) at least one latex film-forming polymer and (2) exposing the film to radiation chosen from UV and visible light radiation.
    Type: Application
    Filed: November 28, 2018
    Publication date: March 28, 2019
    Inventors: Chunhua LI, Hy Si BUI, Jean-Thierry SIMONNET, Xian Zhi ZHOU, Nicholas Stergios LIOUTAS
  • Nail compositions containing silicone-organic polymer hybrid compound
    Patent number: 10206866
    Abstract: The invention relates to nail compositions comprising at least one silicone-organic polymer hybrid compound.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: February 19, 2019
    Assignee: L'ORÉAL
    Inventors: Aline Aude Guimont, Chunhua Li, Hy Si Bui, Christopher Michael MacNeill, Tsang-Min Huang, XianZhi Zhou, Chaitrali Makarand Gothe, Ronni Lynn Weinkauf
  • DEVICES AND SYSTEMS FOR CREATION OF ATTACHMENTS FOR USE WITH DENTAL APPLIANCES AND CHANGEABLE SHAPED ATTACHMENTS
    Publication number: 20190046297
    Abstract: The present disclosure provides methods, devices, and systems for the creation of attachments for use with dental appliances and changeable shaped attachments. For instance, an attachment template tray for creating and placing attachments used in moving teeth of a patient can include an attachment template tray body having a first surface shaped to conform to the contours of exterior surfaces of teeth of a patient and including a portion of the first surface that provides a cavity to form the exterior surfaces of an attachment that is to be attached to the exterior surface of one of the teeth and an integrated light source, power source, and actuation mechanism on the body of the attachment template tray, wherein the power source provides power to the light source when the actuation mechanism is actuated.
    Type: Application
    Filed: August 11, 2017
    Publication date: February 14, 2019
    Inventors: Avi Kopelman, Chunhua Li
  • Dental appliance having ornamental design
    Patent number: 10201409
    Abstract: A dental appliance having an integrally formed reservoir and/or an ornamental design integrated thereon. The ornamental design can be selected or customized by a patient. The design can be created by directing energy to the dental appliance to alter a material property of at least a portion of the appliance to create the design. Alternatively, a groove or recess can be formed on a surface of the appliance to either mechanically retain an ornamental design or the groove or recess can be filled with ink to form the design. The appliance, including the integrally formed reservoir, can be formed using direct fabrication techniques.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: February 12, 2019
    Assignee: Align Technology, Inc.
    Inventors: David Mason, Shiva Sambu, Chunhua Li, Yan Chen
  • Release agent receptacle
    Patent number: 10154889
    Abstract: The present disclosure includes method, system, apparatus, and indicator embodiments. One apparatus includes an appliance for placement over one or more teeth and a release agent receptacle including an outer portion provided on appliance surface, an inner portion provided within the outer portion, and one or more apertures formed in the outer portion.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: December 18, 2018
    Assignee: Align Technology, Inc.
    Inventors: Jennifer C. Chen, Li-Hung Su, Chunhua Li
  • COMPOSITIONS CONTAINING POLYCARBODIIMIDES AND LATEX POLYMERS FOR TREATING KERATINOUS SUBSTRATES
    Publication number: 20180353420
    Abstract: Compositions including polycarbodiimide and derivatives thereof together with latex polymers and derivatives thereof to enhance the quality of the keratinous substrates. The present invention relates to a cosmetic treatment and process for treating keratinous materials, in particular for hair-care and hair-styling. A method of styling or shaping hair is also disclosed. Compositions are provided for nail treatment and processes including polycarbodiimide and latex actives for application in a nail treatment that is a single step or at least two sequential steps, the compositions and processes providing one or more of improved adhesion, water resistance, and shine through crosslinking between the actives, thereby imparting long wear, good shine, nail protection, and easy removal.
    Type: Application
    Filed: July 20, 2018
    Publication date: December 13, 2018
    Inventors: Siliu TAN, Charles Michael Sanford SHAW, Nghi VAN NGUYEN, Jim Mitchell SINGER, XianZhi ZHOU, Christopher M. MACNEILL, Chunhua LI, Hy Si BUI, Aditi GOGINENI
  • PALATAL EXPANDER WITH SKELETAL ANCHORAGE DEVICES
    Publication number: 20180353264
    Abstract: A series of a palatal expanders increasing width can be used to gradually expand a patient's palate. Each palatal expander may have a palatal region flanked by teeth regions. The palatal region can have a plurality of anchor-receiving features (e.g., anchor interfaces) that allow the palatal expander to be attached to temporary anchorage device anchors that have been implanted into the patient's maxilla.
    Type: Application
    Filed: June 8, 2018
    Publication date: December 13, 2018
    Inventors: Jeremy Riley, Eric Kuo, Chunhua Li