Inventor

HONG CHAE HWAN

KR30 patents

⚠️ This page may combine multiple inventors who share the name “HONG CHAE HWAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HONG CHAE HWAN

HYUNDAI MOTOR CO LTD

Solvent-free polyurethane-based artificial leather having the texture of human skin and the preparation method thereof

Method for producing glucaric acid

Method for manufacturing adipic acid using biomass

Carbon reduction type thermoplastic polyurethane elastomer composition and method for preparing same

Polyurethane adhesive composition and method for preparing same

Polyurethane adhesive composition for carbon emission reduction and method of preparing same

Low-carbon polyurethane foam composition for automobile interior material and preparation method therefor

Eco-friendly cleaning agent for metal member and method of preparing the same

Catalyst for gasoline synthesis from dimethyl ether, method for preparing the same, and method for preparing gasoline using the same

Method and apparatus for producing lactic acid

Manufacturing method of polylactic acid composite composition

Method of producing adipic acid

Catalyst for synthesizing dimethylether or methylacetate from synthetic gas, method for preparing the same, and method for preparing dimethylether or methylacetate using the same

Catalyst for synthesizing dimethylether or methylacetate from synthetic gas, method for preparing the same, and method for preparing dimethylether or methylacetate using the same

Catalyst for conversion of carbon dioxide to methanol by hydrogenation, and method for preparing the same

Polyol composition, method for preparing polyurethane foam using the same, and polyurethane foam prepared by the method

Method of preparing adipic acid

Solid acid catalyst for preparing a monosaccharide and method of preparing a monosaccharide from seaweed using the same

Preparation method of flexible polylactide stereocomplex and the compound thereof

Composite cellulose nanosheet with excellent transparency and strength and manufacturing method thereof

Synthetic process of adipic acid

Double-crosslinked cellulose nanofiber film with high strength and high transmittance and method for manufacturing the same

Method of preparing d-glucaro-1,4:6,3-dilactone

Method for preparing lactide using an ionic solvent

Method for producing adipamide as intermediate for production of raw material for bio-based nylon

HONG CHAE HWAN

Eco-friendly polypropylene-polylactic acid composite composition

Polylactic acid composites

Method of preparing lactide from lactate

Preparation method of flexible polylactide stereocomplex and the compound thereof

Manufacturing method of poly lactic acid stereocomplex using solvent casting method