Yuan Chang

Person

Atlanta, GA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method for making photochromic contact lenses
- Patent number 11,975,499
- Issue date May 7, 2024
- Alcon Inc.
- Yuan Chang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for making photochromic contact lenses
- Patent number 11,945,181
- Issue date Apr 2, 2024
- Alcon Inc.
- Junhao Ge
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Photochromic polydiorganosiloxane vinylic crosslinkers
- Patent number 11,945,895
- Issue date Apr 2, 2024
- Alcon Inc.
- Yuan Chang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Weekly and monthly disposable water gradient contact lenses
- Patent number 11,933,941
- Issue date Mar 19, 2024
- Alcon Inc.
- Yongxing Qiu
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method for determining coating thickness on coated contact lenses
- Patent number 11,927,512
- Issue date Mar 12, 2024
- Alcon Inc.
- Yuan Chang
- G01 - MEASURING TESTING
Information Patent Grant
Method for making photochromic contact lenses
- Patent number 11,886,045
- Issue date Jan 30, 2024
- Alcon Inc.
- Yuan Chang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for making photochromic contact lenses
- Patent number 11,833,771
- Issue date Dec 5, 2023
- Alcon Inc.
- Yuan Chang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Wettable silicone hydrogel contact lenses
- Patent number 11,513,257
- Issue date Nov 29, 2022
- Alcon Inc.
- Ying Zheng
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Liquid collection device
- Patent number 11,419,587
- Issue date Aug 23, 2022
- Porex Corporation
- Avi Robbins
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Weekly and monthly disposable water gradient contact lenses
- Patent number 11,256,003
- Issue date Feb 22, 2022
- Alcon Inc.
- Yongxing Qiu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
WEEKLY AND MONTHLY DISPOSABLE WATER GRADIENT CONTACT LENSES
- Publication number 20240176047
- Publication date May 30, 2024
- Alcon Inc.
- Yongxing Qiu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Liquid Collection Device
- Publication number 20230320705
- Publication date Oct 12, 2023
- POREX CORPORATION
- Avi Robbins
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SYSTEMS AND METHODS FOR INSERT PLACEMENT TO FABRICATE HYBRID CONTAC...
- Publication number 20230166467
- Publication date Jun 1, 2023
- Alcon Inc.
- Yang Zheng
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
FORMULATION DOSING DEVICE FOR CONTACT LENS FABRICATION
- Publication number 20230117502
- Publication date Apr 20, 2023
- Alcon Inc.
- Michelle Plavnik
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
COLORED COSMETIC PHOTOCHROMIC CONTACT LENSES
- Publication number 20220365371
- Publication date Nov 17, 2022
- Alcon Inc.
- Junhao Ge
- G02 - OPTICS
Information Patent Application
Liquid Collection Device
- Publication number 20220346758
- Publication date Nov 3, 2022
- POREX CORPORATION
- Avi Robbins
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD FOR MAKING PHOTOCHROMIC CONTACT LENSES
- Publication number 20220339895
- Publication date Oct 27, 2022
- Alcon Inc.
- Yuan Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR MAKING EMBEDDED HYDROGEL CONTACT LENSES
- Publication number 20220326412
- Publication date Oct 13, 2022
- Alcon Inc.
- Yuan Chang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
EMBEDDED HYDROGEL CONTACT LENSES
- Publication number 20220324187
- Publication date Oct 13, 2022
- Alcon Inc.
- Zahra Bassampour
- G02 - OPTICS
Information Patent Application
METHOD FOR MAKING PHOTOCHROMIC CONTACT LENSES
- Publication number 20220134692
- Publication date May 5, 2022
- Alcon Inc.
- Yuan Chang
- G02 - OPTICS
Information Patent Application
WEEKLY AND MONTHLY DISPOSABLE WATER GRADIENT CONTACT LENSES
- Publication number 20220137263
- Publication date May 5, 2022
- Alcon Inc.
- Yongxing Qiu
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
METHOD FOR MAKING PHOTOCHROMIC CONTACT LENSES
- Publication number 20220137433
- Publication date May 5, 2022
- Alcon Inc.
- Yuan Chang
- G02 - OPTICS
Information Patent Application
METHOD FOR MAKING PHOTOCHROMIC CONTACT LENSES
- Publication number 20220126541
- Publication date Apr 28, 2022
- Alcon Inc.
- Junhao Ge
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Liquid Collection Device
- Publication number 20220061822
- Publication date Mar 3, 2022
- POREX CORPORATION
- Avi Robbins
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
CONTACT LENS PACKAGING SOLUTIONS
- Publication number 20220047503
- Publication date Feb 17, 2022
- Alcon Inc.
- Junhao Ge
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Application
PHOTOCHROMIC POLYDIORGANOSILOXANE VINYLIC CROSSLINKERS
- Publication number 20210284778
- Publication date Sep 16, 2021
- Alcon Inc.
- Yuan Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PHOTOCHROMIC POLYDIORGANOSILOXANE VINYLIC CROSSLINKERS
- Publication number 20210284806
- Publication date Sep 16, 2021
- Alcon Inc.
- Yuan Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
WETTABLE SILICONE HYDROGEL CONTACT LENSES
- Publication number 20210181379
- Publication date Jun 17, 2021
- Alcon Inc.
- Ying Zheng
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR DETERMINING COATING THICKNESS ON COATED CONTACT LENSES
- Publication number 20210131923
- Publication date May 6, 2021
- Alcon Inc.
- Yuan Chang
- G01 - MEASURING TESTING
Information Patent Application
WEEKLY AND MONTHLY DISPOSABLE WATER GRADIENT CONTACT LENSES
- Publication number 20190179055
- Publication date Jun 13, 2019
- Novartis AG
- Yongxing Qiu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Person

Patents Grantslast 30 patents

Method for making photochromic contact lenses

Method for making photochromic contact lenses

Photochromic polydiorganosiloxane vinylic crosslinkers

Weekly and monthly disposable water gradient contact lenses

Method for determining coating thickness on coated contact lenses

Method for making photochromic contact lenses

Method for making photochromic contact lenses

Wettable silicone hydrogel contact lenses

Liquid collection device

Weekly and monthly disposable water gradient contact lenses

Patents Applicationslast 30 patents

WEEKLY AND MONTHLY DISPOSABLE WATER GRADIENT CONTACT LENSES

Liquid Collection Device

SYSTEMS AND METHODS FOR INSERT PLACEMENT TO FABRICATE HYBRID CONTAC...

FORMULATION DOSING DEVICE FOR CONTACT LENS FABRICATION

COLORED COSMETIC PHOTOCHROMIC CONTACT LENSES

Liquid Collection Device

METHOD FOR MAKING PHOTOCHROMIC CONTACT LENSES

METHOD FOR MAKING EMBEDDED HYDROGEL CONTACT LENSES

EMBEDDED HYDROGEL CONTACT LENSES

METHOD FOR MAKING PHOTOCHROMIC CONTACT LENSES

WEEKLY AND MONTHLY DISPOSABLE WATER GRADIENT CONTACT LENSES

METHOD FOR MAKING PHOTOCHROMIC CONTACT LENSES

METHOD FOR MAKING PHOTOCHROMIC CONTACT LENSES

Liquid Collection Device

CONTACT LENS PACKAGING SOLUTIONS

PHOTOCHROMIC POLYDIORGANOSILOXANE VINYLIC CROSSLINKERS

PHOTOCHROMIC POLYDIORGANOSILOXANE VINYLIC CROSSLINKERS

WETTABLE SILICONE HYDROGEL CONTACT LENSES

METHOD FOR DETERMINING COATING THICKNESS ON COATED CONTACT LENSES

WEEKLY AND MONTHLY DISPOSABLE WATER GRADIENT CONTACT LENSES