Assignee

SNIA VISCOSA

75 patents

Top patents by PatentIndex Score

US4268666AMay 19, 1981

Process for the dissolution of cellulose in organic solvents, solutions obtained by said process, and process for the production of formed bodies of regenerated cellulose from said solutions

SNIA VISCOSA64 citations94

US4252766AFeb 24, 1981

Process for the preparation of formed bodies of regenerated cellulose from solutions of cellulose derivatives in dimethylsulphoxide

SNIA VISCOSA64 citations94

US4237274ADec 2, 1980

Process for the preparation of solutions of cellulose derivatives which can be coagulated and spun to form regenerated cellulose _bodies

SNIA VISCOSA64 citations94

US3947276AMar 30, 1976

Method for the production of cellulose-based fibres and polynosic fibres having a high resistance to combustion, and fibres and textile articles obtained thereby

SNIA VISCOSA24 citations79

US4444832AApr 24, 1984

Process for obtaining reinforced cellular materials based on unsaturated polyester resins

SNIA VISCOSA24 citations78

US4115370ASep 19, 1978

Unsaturated polyesteramides, method for their production and hardenable resins produced from the said polyesteramides

SNIA VISCOSA19 citations78

US4471699ASep 18, 1984

Projectiles for smooth bore shooting guns

SNIA VISCOSA24 citations75

US4292194ASep 29, 1981

Liquid composition for light and heat stabilization of polyamides

SNIA VISCOSA21 citations72

US4368078AJan 11, 1983

Process for the preparation of viscose and process for the spinning of the viscose thus obtained

SNIA VISCOSA8 citations71

US4337095AJun 29, 1982

Process for the preparation of solutions of cellulose derivatives in organic solvents having higher concentration and solutions obtained by said process

SNIA VISCOSA8 citations71

US4085127AApr 18, 1978

Method for producing aldehyde acids by selective ozonization of cyclo-olefins

SNIA VISCOSA7 citations71

US4083833AApr 11, 1978

Method for the production of cellulosic fibres having a high resistance to combustion, and textile products prepared by said method

SNIA VISCOSA10 citations71

US4461850AJul 24, 1984

Glossy fibres of the modacrylic type having reduced inflammability, and compositions of matter and process for producing the same

SNIA VISCOSA7 citations69

US4791228ADec 13, 1988

Process for preparing α,ω-dicarboxylic acids

SNIA VISCOSA8 citations68

US4328154AMay 4, 1982

Process for the purification of raw caprolactam

SNIA VISCOSA7 citations68

US4404157ASep 13, 1983

Process for the continuous production of viscose rayon yarns having high degree of whiteness

SNIA VISCOSA7 citations67

US4371491AFeb 1, 1983

Process for the continuous spinning of viscose rayon

SNIA VISCOSA7 citations67

US4209606AJun 24, 1980

Self-extinguishing and thermostable copolyesters and process for making the same

SNIA VISCOSA10 citations67

US4319848AMar 16, 1982

Apparatus for the production of additive containing synthetic linear polymers

SNIA VISCOSA14 citations66

US4221692ASep 9, 1980

Process and apparatus for the production of additive-containing synthetic linear polymers

SNIA VISCOSA9 citations66

US4212932AJul 15, 1980

Device for the direct conversion of radiant energy to electrical energy

SNIA VISCOSA17 citations65

US4381186AApr 26, 1983

Process for dyeing polyamidic textile materials, in particular high dyeing speed polyamides with acid dyes and alkaline reactants

SNIA VISCOSA6 citations64

US3937789AFeb 10, 1976

Process for the neutralization of acid solutions of caprolactam

SNIA VISCOSA11 citations62

US4289723ASep 15, 1981

Process for the preparation of regenerated cellulose formed bodies from solutions of cellulose derivatives in organic solvents

SNIA VISCOSA2 citations61

US4314959AFeb 9, 1982

Process for the preparation of regenerated cellulose formed bodies from solutions of cellulose derivatives in organic solvents

SNIA VISCOSA3 citations60

US4218399AAug 19, 1980

Method for preparing α, ω-diamines

SNIA VISCOSA5 citations60

US4197260AApr 8, 1980

Process for the preparation of α,ζdiamines and products obtained therefrom

SNIA VISCOSA5 citations60

US4054588AOct 18, 1977

Process for the preparation in a single stage of saturated omega-aminoacids from olefinically unsaturated omega-aldehydoacids

SNIA VISCOSA3 citations60

US4515908AMay 7, 1985

Liquid foams of reinforced unsaturated polyester resins and process for making the same

SNIA VISCOSA2 citations59

US4440876AApr 3, 1984

Liquid foams of reinforced unsaturated polyester resins and process for making the same

SNIA VISCOSA5 citations59

US4282637AAug 11, 1981

Nozzle for the texturization of yarns

SNIA VISCOSA14 citations59

US4376680AMar 15, 1983

Process for demonomerizing polycapronamide

SNIA VISCOSA8 citations58

US4326925AApr 27, 1982

Process for the purification of caprolactame

SNIA VISCOSA6 citations58

US4297407AOct 27, 1981

Finish composition for the spinning of highly crimped cellulose fibers using a composition cont. fatty acid ester, organic phosphoric acid ester, fatty acid ethylene oxide cond. prod. and fatty acid salt

SNIA VISCOSA9 citations58

US4293494AOct 6, 1981

Method for the purification of raw caprolactam which contains amides and other by-products

SNIA VISCOSA4 citations58

US4287148ASep 1, 1981

Process for producing glossy fibres of the modacrylic type having reduced inflammability

SNIA VISCOSA5 citations58

US4285900AAug 25, 1981

Process for manufacturing modacrylic fibers having high luster, thermal stability and flame resistance

SNIA VISCOSA4 citations58

US4226824AOct 7, 1980

Process for spinning modacrylic fiber having high retraction and reduced inflammability

SNIA VISCOSA4 citations58

US4224210ASep 23, 1980

Fiber from acrylonitrile copolymers having reduced inflammability, compositions and processes for manufacturing the same

SNIA VISCOSA6 citations58

US4198348AApr 15, 1980

Process for the preparation of amines

SNIA VISCOSA7 citations58

US4349473ASep 14, 1982

Process for the preparation of ω-lactams, in particular caprolactam

SNIA VISCOSA2 citations57

US4314940AFeb 9, 1982

Method for the purification of raw caprolactam

SNIA VISCOSA5 citations57

US4151335AApr 24, 1979

Unsaturated polyester resin capable of entrapping an inert gas to form a structural foam

SNIA VISCOSA3 citations57

US4419318ADec 6, 1983

Process for forming projectiles for smooth bore shooting guns

SNIA VISCOSA4 citations56

US4418016ANov 29, 1983

Method for recovering omega-amino-dodecanoic acid from crystallization mother liquors

SNIA VISCOSA2 citations56

US4361532ANov 30, 1982

Process for the continuous spinning of viscose rayon

SNIA VISCOSA5 citations56

US4255101AMar 10, 1981

Device for the continuous spinning of viscose rayon

SNIA VISCOSA6 citations56

Showing the top 50 of 75 patents by PatentIndex Score.

SNIA VISCOSA

Top patents by PatentIndex Score

Process for the dissolution of cellulose in organic solvents, solutions obtained by said process, and process for the production of formed bodies of regenerated cellulose from said solutions

Process for the preparation of formed bodies of regenerated cellulose from solutions of cellulose derivatives in dimethylsulphoxide

Process for the preparation of solutions of cellulose derivatives which can be coagulated and spun to form regenerated cellulose _bodies

Method for the production of cellulose-based fibres and polynosic fibres having a high resistance to combustion, and fibres and textile articles obtained thereby

Process for obtaining reinforced cellular materials based on unsaturated polyester resins

Unsaturated polyesteramides, method for their production and hardenable resins produced from the said polyesteramides

Projectiles for smooth bore shooting guns

Liquid composition for light and heat stabilization of polyamides

Process for the preparation of viscose and process for the spinning of the viscose thus obtained

Process for the preparation of solutions of cellulose derivatives in organic solvents having higher concentration and solutions obtained by said process

Method for producing aldehyde acids by selective ozonization of cyclo-olefins

Method for the production of cellulosic fibres having a high resistance to combustion, and textile products prepared by said method

Process for obtaining cellular materials based on unsaturated polyester resins

Plastic wads and wad assemblies for shot cartridges

Self-extinguishing polymers

Glossy fibres of the modacrylic type having reduced inflammability, and compositions of matter and process for producing the same

Process for preparing α,ω-dicarboxylic acids

Process for the purification of raw caprolactam

Process for the continuous production of viscose rayon yarns having high degree of whiteness

Process for the continuous spinning of viscose rayon

Self-extinguishing and thermostable copolyesters and process for making the same

Apparatus for the production of additive containing synthetic linear polymers

Process and apparatus for the production of additive-containing synthetic linear polymers

Device for the direct conversion of radiant energy to electrical energy

Process for dyeing polyamidic textile materials, in particular high dyeing speed polyamides with acid dyes and alkaline reactants

Process for the neutralization of acid solutions of caprolactam

Process for the preparation of regenerated cellulose formed bodies from solutions of cellulose derivatives in organic solvents

Process for the preparation of regenerated cellulose formed bodies from solutions of cellulose derivatives in organic solvents

Method for preparing α, ω-diamines

Process for the preparation of α,ζdiamines and products obtained therefrom

Process for the preparation in a single stage of saturated omega-aminoacids from olefinically unsaturated omega-aldehydoacids

Liquid foams of reinforced unsaturated polyester resins and process for making the same

Liquid foams of reinforced unsaturated polyester resins and process for making the same

Nozzle for the texturization of yarns

Process for demonomerizing polycapronamide

Process for the purification of caprolactame

Finish composition for the spinning of highly crimped cellulose fibers using a composition cont. fatty acid ester, organic phosphoric acid ester, fatty acid ethylene oxide cond. prod. and fatty acid salt

Method for the purification of raw caprolactam which contains amides and other by-products

Process for producing glossy fibres of the modacrylic type having reduced inflammability

Process for manufacturing modacrylic fibers having high luster, thermal stability and flame resistance

Process for spinning modacrylic fiber having high retraction and reduced inflammability

Fiber from acrylonitrile copolymers having reduced inflammability, compositions and processes for manufacturing the same

Process for the preparation of amines

Process for the preparation of ω-lactams, in particular caprolactam

Method for the purification of raw caprolactam

Unsaturated polyester resin capable of entrapping an inert gas to form a structural foam

Process for forming projectiles for smooth bore shooting guns

Method for recovering omega-amino-dodecanoic acid from crystallization mother liquors

Process for the continuous spinning of viscose rayon

Device for the continuous spinning of viscose rayon