Inventor

MACEDO PEDRO B

35 patents

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

MACEDO PEDRO B

MACEDO PEDRO B

Process of using improved silica-based chromatographic supports containing additives

Fixation of radioactive materials in a glass matrix

Method for producing an impregnated waveguide

Method of producing optical wave guide fibers

Optical sensing apparatus and method

Optical sensing apparatus and method

Ion exchange compositions

Fixation of anionic materials with a complexing agent

Fixation of dissolved metal species with a complexing agent

Fixation by anion exchange of toxic materials in a glass matrix

Fixation by anion exchange of toxic materials in a glass matrix

Method of precipitation of a dopant in a porous silicate glass

Fixation of radioactive materials in a glass matrix

Method of producing a glass article having a graded refractive index profile of a parabolic nature

Optical waveguide and method and compositions for producing same

Immobilization of radwastes in glass containers and products formed thereby

Immobilization of radwastes in glass containers and products formed thereby

Joint doped porous glass article with high modifier concentrations

Purification of contaminated liquid

Method of separating and purifying cations by ion exchange with regenerable porous glass

Method of leaching glass preforms

Method for producing a strengthened glass structural member

Ion exchanger to separate heavy alkali metal ions

Method of producing shaped foamed-glass articles

Silica removal process and alumina composition used therein

Purification of contaminated liquid

Joint doping of porous glasses to produce materials with high modifier concentrations

Method of producing a strong optical fiber

MACEDO PEDRO BUARQUE DE

Process for vitrifying asbestos containing waste, infectious waste, toxic materials and radioactive waste

Process for vitrifying asbestos containing waste, infectious waste, toxic materials and radioactive waste

Method and apparatus for eliminating volatiles or airborne entrainments when vitrifying radioactive and/or hazardous waste

Joint doping of porous glasses to produce materials with high modifier concentrations

SIMMONS CATHERINE J

Fixation by ion exchange of toxic materials in a glass matrix

PEDRO BUARQUE DE MACEDO

Optical fiber with compression surface layer

LITOVITZ THEODORE A

Strengthened glass structural member