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Bangkok, TH
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Patents Grants
last 30 patents
Information
Patent Grant
Blue light cutting optical material having a bluish appearance
Patent number
11,774,636
Issue date
Oct 3, 2023
Essilor International
Pierre Fromentin
G02 - OPTICS
Information
Patent Grant
Ophthalmic lens comprising an encapsulated light-absorbing additive
Patent number
11,204,445
Issue date
Dec 21, 2021
Essilor International
Pierre Fromentin
B82 - NANO-TECHNOLOGY
Patents Applications
last 30 patents
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Patent Application
Blue Light Cutting Optical Material Having a Bluish Appearance
Publication number
20210116604
Publication date
Apr 22, 2021
Essilor International
Pierre FROMENTIN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Nanoparticles of Encapsulated Light-Absorbing Agent, Preparation Th...
Publication number
20210048559
Publication date
Feb 18, 2021
Essilor International
Pierre FROMENTIN
G02 - OPTICS
Information
Patent Application
Ophthalmic Lens Comprising an Encapsulated Light-Absorbing Additive
Publication number
20190212473
Publication date
Jul 11, 2019
Essilor International
Pierre FROMENTIN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...