Inventor

LEISTNER WILLIAM E

US23 patents

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

LEISTNER WILLIAM E

FAIRMOUNT CHEMICAL COMPANY INC

Process for preparing 2,2&#39;-methylene-bis(6-(2H-benzotriazol-2-yl)-4-hydrocarbyl phenols)

Coupled benzotriazole and benzophenone UV absorbers

Coupled benzotriazole and benzophenone UV absorbers

Asymmetrical benzotriazolylphenols

Asymmetrical benzotriazolylphenols

Coupled benzotriazole and benzophenone UV absorbers

ARGUS CHEM

Carbonate ester stabilizers for polymers

Inorganic organic coester stabilizers

Polyhydric phenol coester stabilizers

Inorganic and organic acid coester stabilizers

Polyhydric phenol coester stabilizers

ADEKA ARGUS CHEMICAL CO LTD

Oligomers of 2,2,6,6-tetramethylpiperidinol polycarboxylic acid esters and synthetic polymer compositions

Stabilized vinyl chloride polymer comprising a phenylethylidene aryl phosphite

Vinyl benzyl 2,2,6,6-tetramethyl piperidines

Vinyl benzyl 2,2,6,6-tetramethyl piperidines

PHOENIX CHEMICAL CORP

1,3-Dicarbonyl compounds and polyvinyl halide resin compositions containing the same

Stabilizer compositions and polyvinyl halide resin compositions containing 1,3-dicarbonyl compounds

Hindered piperidyl light stabilizers

LEISTNER WILLIAM E

Phenylethylidene-substituted phenyl polyphosphites

Polyethers containing 2,2,6,6-tetramethyl piperidinyl carboxylic acid ester groups and synthetic resin compositions

FAIRMOUNT CHEM

Process for preparing substituted 2,2&#39;-methylene-bis-[6-(2H-benzotriazol-2-yl)-4-hydrocarbyl-phenols]

WITCO CHEMICAL CORP

Process for the preparation of dialkyltin dihalides

FAIRMONT CHEMICAL COMPANY INC

Fluorenol catalyzed reduction of o-nitroazobenzenes and 2-aryl-2H-benzotriazole-N-oxides

Process for preparing 2,2'-methylene-bis(6-(2H-benzotriazol-2-yl)-4-hydrocarbyl phenols)

Process for preparing substituted 2,2'-methylene-bis-[6-(2H-benzotriazol-2-yl)-4-hydrocarbyl-phenols]