Inventor

GRADEFF PETER S

US30 patents

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

GRADEFF PETER S

RHONE POULENC IND

Process for preparing colloidal ceric oxide and complexes thereof with free organic acids

Process for preparing ceric carboxylates

Process for preparing colloidal ceric oxide and complexes thereof with free organic acids

Process for the preparation of hydroxy benzene carboxaldehydes

Colloidal alcohol-dispersible association complexes of ceric dioxide and a hydroxyphenyl carboxylic acid

Lanthanide impregnated wood composition and method for permanently depositing water insoluble lanthanide derivatives into wood materials

Method of preserving wood with lanthanide derivatives

Antifouling paints containing matrices cross-linked with lanthanides and methods of making and use

Method of preserving wood with lanthanide derivatives lanthanide derivatives

Ceric hydrocarbyl silyloxides and process for their preparation

Process for the preparation of ceric alkoxides

Tricyclopentadienyl cerium and process for preparing the same

Process for the preparation of ceric alkoxides

Method of preserving wood with lanthanide derivatives

Rare earth compositions for diesel fuel stabilization

Alkoxy-type derivative compounds and process for preparing alkoxy-type derivatives of trivalent group 3b metals

Process for the preparation of p-hydroxy-benzyl-nitriles and corresponding amines

Process for preparing allylic alcohols from allylic halides

Process for the preparation of ceric hydrocarbyl silyloxides by transetherification of ceric alkoxides

Ceric alkanolatoamines

Anhydrous cerous nitrate-ammonium nitrate complex and a process for its preparation from ceric ammonium nitrate

Ceric hydrocarbyloxy nitrates and their use in organic synthesis

Method of preserving wood with lanthanide derivatives

Ceric hydrocarbyl silyloxides and process for their preparation

Tricyclopentadienyl cerium and process for preparing the same

Process for producing meta-phenoxybenzoic acids and esters

RHODIA

Process for the hydrogenation of citral to citronellal and of citronellal to citronellol using chromium-promoted Raney nickel catalyst

Process for the selective hydrogenation of the keto group in nonconjugated olefinic ketones

Process for the semihydrogenation of citral to citronellal

Process for preparing methyl heptenone by reaction of prenyl-substituted methyl pentenones with a poly-functional amine