Inventor

WANG RICHARD H S

US51 patents

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

WANG RICHARD H S

EASTMAN KODAK CO

UV-absorbing condensation polymeric compositions and products therefrom

Condensation polymers and products therefrom

Benzophenone initiators for the photopolymerization of unsaturated compounds

Bis-cyclic phosphite compounds and polymeric materials stabilized therewith

UV-absorbing condensation polymeric compositions and products therefrom

Dioxaphosphorinane compounds and polyolefin compositions sabilized therewith

Cyclic phosphonite stabilized cellulose ester compositions

Process for the preparation of bis (2-benzoxazolyl) stilbenes

Cyclic phosphites and stabilized polymeric compositions

Bis-benzotriazolyl compounds and polymeric materials stabilized therewith

Process for the preparation of coumarin compounds

UV-absorbing condensation polymeric composition

Polychromophoric ultraviolet stabilizers and their use in organic compositions

Haloalkyl benzophenone compounds suitable for use as initiators for photopolymerization

Multichromophoric ultraviolet stabilizers for organic compositions

Photopolymerizable polymeric compositions containing halogen containing heterocyclic compound

Production of 5,5-bis(halomethyl)-1,3,2-dioxa-phosphorinanes

Photocurable compositions containing s-aryl arylcarbothioic acid esters as photoinitiators

Multichromophoric benzotriazole ultraviolet stabilizers

Polychromophoric ultraviolet stabilizers and their use in organic compositions

Multichromophoric ultraviolet stabilizers and their use in organic compositions

Benzoxazole stabilizer compounds and polymeric materials stabilized therewith

Trifunctional antioxidant for polyolefins

Polychromophoric heterocyclic ultraviolet stabilizers and their use in organic compositions

Biheterocyclic ultraviolet stabilizers and their use in organic compositions

Heterocyclic benzoate ultraviolet stabilizers and their use in organic compositions

Preparation of 2,5-dichlorohydroquinone

Multichromophoric ultraviolet stabilizers and their use in organic compositions

Polychromophoric dibenzoxazole ultraviolet stabilizers and their use in organic compositions

Piperidinyl hydrogen alkylene or arylene phosphates and metal salts thereof which compounds are useful as ultraviolet stabilizers for organic compositions

Multichromophoric ultraviolet stabilizers and their use in organic compositions

Multichromophoric ultraviolet stabilizers and their use in organic compositions

Optically brightened polyesters with 2,5-bis-(p-carboalkylstyryl)-oxadiazole

Polyhydrazides as stabilizers for polyolefins

Synergistic combination of alkoxy-substituted phosphonitrilic compounds and ortho-hindered phenolic antioxidants

Thermally stabilized polyolefin compositions

Piperidinyl hydrogen 2-hydroxyalkyl phosphates and metal salts thereof which compounds are useful as ultraviolet stabilizers for organic compositions

Piperidinyl phosphate ultraviolet stabilizers for organic compositions

Titanium dioxide-pigmented polymer compositions having improved visible and ultraviolet light stability

Multiheterocyclic ultraviolet stabilizers and their use in organic compositions

Polychromophoric ultraviolet stabilizers and their use in organic compositions

Phenolic-hydrazide compounds and polyolefin compositions stabilized therewith

Bis(phenolic-amine)quinone compounds and polyolefin compositions stabilized therewith

Tris-(2-alkyl-4-alkoxyphenyl) phosphites as processing stabilizers for polyolefins

Piperidinyl hydrogen 2-hydroxyalkyl phosphates and metal salts thereof

Multichromophoric benzotriazole ultraviolet stabilizers and their use in organic compositions

Heterocyclic ester ultraviolet stabilizers and their use in organic compositions

Polychromophoric heterocyclic ultraviolet stabilizers and their use in organic compositions

EASTMAN CHEM CO

Process for the preparation of esters of stilbenedicarboxylic acid

Phenolic-hydrazide compounds and polyolefin compositions stabilized therewith