C08G18/3874 - CPC Classification Index

ClassID:

98848 ⎘

C08G18/3874 - CPC Classification

Classification description:

Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen; Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur containing heterocyclic rings having at least one sulfur atom in the ring

Recent Application in this class:

20260008766

2026-01-08

EPISULFIDE COMPOUND AND OPTICAL MATERIAL COMPOSITION THEREOF

20250236730

2025-07-24

PHOTOCURABLE COMPOSITION, CURED ARTICLE, LAMINATED BODY, METHOD FOR PRODUCING CURED ARTICLE, AND METHOD FOR PRODUCING LENS

20240402432

2024-12-05

DIFFRACTION LIGHT GUIDE PLATE AND MANUFACTURING METHOD THEREOF

20240190836

2024-06-13

XANTHENE DERIVATIVE COMPOUND HAVING HIGH REFRACTIVE INDEX AND (CO)POLYMER COMPRISING SAME

20230111506

2023-04-13

POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, POLYMERIZABLE PREPOLYMER COMPOSITION FOR OPTICAL MATERIAL, CURED PRODUCT, AND METHOD FOR PRODUCING OPTICAL MATERIAL

20210294041

2021-09-23

DIFFRACTION LIGHT GUIDE PLATE AND MANUFACTURING METHOD THEREOF

20210277171

2021-09-09

Polymerizable composition for optical member

20210221940

2021-07-22

Method for producing a resin lens from a polyisocyanate and release agent at reduced pressure

20200223975

2020-07-16

Composition for use as optical material

#10

20170247351

2017-08-31

Episulfide compound and optical material composition containing same

#11

20170051095

2017-02-23

Composition for optical material and method for producing same, and optical material produced from composition for optical material

#12

20170015777

2017-01-19

Process for producing episulfide compound for optical material, episulfide-containing composition, and polymerizable composition for optical material including the same composition

#13