Inventor

COSTANZI SILVESTRO

IT22 patents

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

COSTANZI SILVESTRO

ENICHEM SINTESI

Process of (co)polymerization of α-olefins in the presence of stabilizers

UV stabilizers for organic polymers

Fillers and pigments possessing organic polymer stabilizing properties and a process for their preparation

Silylated U.V. stabilizers containing hindered tertiary amines

Organic polymer stabilization

Method for stabilizing lacquers and coatings, and the stabilized compositions obtained

Solid blends of stabilizers for polymers

Procedure for the preparation of nitroxyl radicals of sterically hindered amines

Process for the synthesis of allylated derivatives of 2,2,6,6-tetraalkylpiperidinols

Process for the preparation of N-allyl-piperidine derivatives

Siliconic u.v. stabilizers containing reactive groups

Stabilized polyolefinic compositions and stabilizer compounds suitable to that purpose

Method for removing hydrocarbon products from water surfaces

ANIC SPA

Polyolefin compositions stabilized against UV light radiations with open-chain hindered amines

Polyolefin compositions stabilized against UV-radiations by pyrrolidine derivatives

2,2,4,5,5-Pentamethyl-3-formyl-Δ3 -pyrroline and the preparation thereof

Pyrrolidine-ring-containing compositions for use as anti-UV stabilizers in plastics materials

ITALMATCH CHEMICALS SPA

Polyester compositions flame retarded with halogen-free additives

Flame retardant polymeric compositions

GREAT LAKES CHEMICAL EUROP

Stabilizer in solid form for organic polymers

COSTANZI SILVESTRO

Polyamide compositions flame retarded with aluminium

ITALAMATCH CHEMICALS S P A

Halogen-free flame retardant polycarbonate compositions