Inventor

PARK CHUNG P

US70 patents

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

PARK CHUNG P

DOW CHEMICAL CO

Foam structures of ethylenic polymer material having enhanced toughness and elasticity and process for making

Perforated foams

Extruded closed-cell polypropylene foam

Energy absorbing articles of extruded thermoplastic foams

Enlarged cell size foams made from blends of alkenyl aromatic polymers and alpha-olefin/vinyl or vinylidene aromatic and/or sterically hindered aliphatic or cycloaliphatic vinyl or vinylidene interpolymers

Method of forming a thermoformable polypropylene foam sheet

Dimensionally-stable polypropylene foam expanded with inorganic blowing agents

Cross-linked ethylenic polymer foam structures and process for making

Cross-linked ethylenic polymer foam structures and process for making

Foam structures of ethylenic polymer material having enhanced toughness and elasticity and process for making

Process for making a dimensionally-stable open-cell polypropylene foam with organic blowing agents

Cross-linked ethylenic polymer foam structures and process for making

Lightly crosslinked linear olefinic polymer foams and process for making

Alcohol control of lightly crosslinked foamed polymer production

Expandable polyolefin compositions and preparation process utilizing isobutane blowing agent

Expandable polyolefin compositions and preparation process utilizing isobutane blowing agent

Expandable polymeric composition and method

Expandable polyolefin compositions and preparation process utilizing isobutane blowing agent

Compatibilized blend of olefinic polymers and monovinylidene aromatic polymers

Ethylene polymer foams blown with isobutane and 1,1-difluoroethane and a process for making

Process for making alkenyl aromatic foam packing bodies with carbon dioxide and/or ethane blowing agent systems

Olefin polymer compositions comprising glycerol monoesters of c20-24 fatty acids and foamed articles prepared therefrom

Expandable polyolefin compositions and polyolefin foam preparation process

Alcohol control of lightly crosslinked foamed polymer production

Expandable polymeric composition and method

Expandable polymeric composition and method

Lightly crosslinked polyethylene polystyrene blend foams and process for making

Lightly crosslinked linear olefinic polymer foam blends and process for making

Lightly crosslinked linear olefinic polymer foam blends and process for making

Process for producing dimensionally stable polyolefin foams using environmentally acceptable blowing agent systems

Novel olefin polymer compositions and foamed articles prepared therefrom having improved elevated temperature dimensional stability

Expandable polyolefin compositions and polyolefin foam preparation process

Ethylenic polymer foams having improved dimensional stability

Soft ethylenic polymer blend foams

Blends of α-olefin/vinylidene aromatic monomer or hindered aliphatic vinylidene monomer interpolymers with polyolefins

Enlarged cell size foams made from blends of alkenyl aromatic polymers and alpha-olefin/vinyl or vinylidene aromatic and/or sterically hindered aliphatic or cycloaliphatic vinyl or vinylidene interpolymers

Blends of substantially random interpolymers with vinyl or vinylidene aromatic polymers

Open-cell foam and method of making

Open-cell foam and method of making

Polyethylene blend foams having improved compressive strength

Acoustical insulation foams

Lightly crosslinked polyethylene polystyrene blend foams and process for making

Novel olefin polymer compositions and foamed articles prepared therefrom having improved elevated temperature dimensional stability

DOW GLOBAL TECHNOLOGIES INC

Acoustical open-cell polylefins and process for making

Perforated foams

Preparation of a macrocellular acoustic foam

Macrocellular polyolefin foam having a high service temperature for acoustical applications

Polyolefin foam useful for sound and thermal insulation

Macrocellular acoustic foam containing particulate additive

Acoustic absorption polymer foam having improved thermal insulating performance