Assignee
SNIA VISCOSA
75 granted patents·661 citations·filing 1973–1985
Top patents by PatentIndex Score
75 records- 0195US4237274AProcess for the preparation of solutions of cellulose derivatives which can be coagulated and spun to form regenerated cellulose _bodiesSNIA VISCOSA·Filed 1979·Granted Dec 2, 1980·64 cites·23 claims
- 0294US4268666AProcess 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 solutionsSNIA VISCOSA·Filed 1979·Granted May 19, 1981·64 cites·17 claims
- 0394US4252766AProcess for the preparation of formed bodies of regenerated cellulose from solutions of cellulose derivatives in dimethylsulphoxideSNIA VISCOSA·Filed 1979·Granted Feb 24, 1981·64 cites·8 claims
- 0482US3947276AMethod for the production of cellulose-based fibres and polynosic fibres having a high resistance to combustion, and fibres and textile articles obtained therebySNIA VISCOSA·Filed 1973·Granted Mar 30, 1976·24 cites·13 claims
- 0576US4279652ASelf-extinguishing polymersSNIA VISCOSA·Filed 1977·Granted Jul 21, 1981·10 cites·6 claims
- 0672US4471699AProjectiles for smooth bore shooting gunsSNIA VISCOSA·Filed 1983·Granted Sep 18, 1984·24 cites·4 claims
- 0771US4292194ALiquid composition for light and heat stabilization of polyamidesSNIA VISCOSA·Filed 1979·Granted Sep 29, 1981·21 cites·13 claims
- 0870US4115370AUnsaturated polyesteramides, method for their production and hardenable resins produced from the said polyesteramidesSNIA VISCOSA·Filed 1976·Granted Sep 19, 1978·19 cites·31 claims
- 0967US4085127AMethod for producing aldehyde acids by selective ozonization of cyclo-olefinsSNIA VISCOSA·Filed 1974·Granted Apr 18, 1978·7 cites·22 claims
- 1065US4328154AProcess for the purification of raw caprolactamSNIA VISCOSA·Filed 1980·Granted May 4, 1982·7 cites·9 claims
- 1164US4282637ANozzle for the texturization of yarnsSNIA VISCOSA·Filed 1978·Granted Aug 11, 1981·14 cites·11 claims
- 1264US4083833AMethod for the production of cellulosic fibres having a high resistance to combustion, and textile products prepared by said methodSNIA VISCOSA·Filed 1976·Granted Apr 11, 1978·10 cites·13 claims
- 1363US4212932ADevice for the direct conversion of radiant energy to electrical energySNIA VISCOSA·Filed 1979·Granted Jul 15, 1980·17 cites·22 claims
- 1462US4444832AProcess for obtaining reinforced cellular materials based on unsaturated polyester resinsSNIA VISCOSA·Filed 1982·Granted Apr 24, 1984·24 cites·13 claims
- 1562US4326925AProcess for the purification of caprolactameSNIA VISCOSA·Filed 1980·Granted Apr 27, 1982·6 cites·13 claims
- 1660US4791228AProcess for preparing α,ω-dicarboxylic acidsSNIA VISCOSA·Filed 1985·Granted Dec 13, 1988·8 cites·9 claims
- 1759US4295426APlastic wads and wad assemblies for shot cartridgesSNIA VISCOSA·Filed 1979·Granted Oct 20, 1981·22 cites·4 claims
- 1859US4218399AMethod for preparing α, ω-diaminesSNIA VISCOSA·Filed 1979·Granted Aug 19, 1980·5 cites·5 claims
- 1958US4314940AMethod for the purification of raw caprolactamSNIA VISCOSA·Filed 1980·Granted Feb 9, 1982·5 cites·10 claims
- 2058US4197260AProcess for the preparation of α,ζdiamines and products obtained therefromSNIA VISCOSA·Filed 1978·Granted Apr 8, 1980·5 cites·19 claims
- 2157US4399292AProcess for purifying oxygen containing recycle gas deriving from ozonizationSNIA VISCOSA·Filed 1979·Granted Aug 16, 1983·6 cites·19 claims
- 2256US4223108AGlossy fibres of the modacrylic type having reduced inflammability, and compositions of matter and process for producing the sameSNIA VISCOSA·Filed 1977·Granted Sep 16, 1980·7 cites·7 claims
- 2354US4337095AProcess for the preparation of solutions of cellulose derivatives in organic solvents having higher concentration and solutions obtained by said processSNIA VISCOSA·Filed 1980·Granted Jun 29, 1982·8 cites·9 claims
- 2454US4293494AMethod for the purification of raw caprolactam which contains amides and other by-productsSNIA VISCOSA·Filed 1980·Granted Oct 6, 1981·4 cites·9 claims
- 2554US4198348AProcess for the preparation of aminesSNIA VISCOSA·Filed 1978·Granted Apr 15, 1980·7 cites·12 claims
- 2654US3937789AProcess for the neutralization of acid solutions of caprolactamSNIA VISCOSA·Filed 1973·Granted Feb 10, 1976·11 cites·5 claims
- 2753US4368078AProcess for the preparation of viscose and process for the spinning of the viscose thus obtainedSNIA VISCOSA·Filed 1980·Granted Jan 11, 1983·8 cites·12 claims
- 2853US4209606ASelf-extinguishing and thermostable copolyesters and process for making the sameSNIA VISCOSA·Filed 1978·Granted Jun 24, 1980·10 cites·19 claims
- 2952US4178287AProcess for the purification of caprolactam by means of ozoneSNIA VISCOSA·Filed 1978·Granted Dec 11, 1979·4 cites·5 claims
- 3048US4319848AApparatus for the production of additive containing synthetic linear polymersSNIA VISCOSA·Filed 1980·Granted Mar 16, 1982·14 cites·3 claims
- 3147US4613694APreparation of unsaturated or saturated α, ω-dialdehydes and α, ω-diacidsSNIA VISCOSA·Filed 1980·Granted Sep 23, 1986·5 cites·8 claims
- 3247US4404157AProcess for the continuous production of viscose rayon yarns having high degree of whitenessSNIA VISCOSA·Filed 1981·Granted Sep 13, 1983·7 cites·9 claims
- 3347US4371491AProcess for the continuous spinning of viscose rayonSNIA VISCOSA·Filed 1981·Granted Feb 1, 1983·7 cites·4 claims
- 3447US4224210AFiber from acrylonitrile copolymers having reduced inflammability, compositions and processes for manufacturing the sameSNIA VISCOSA·Filed 1978·Granted Sep 23, 1980·6 cites·9 claims
- 3547US4054588AProcess for the preparation in a single stage of saturated omega-aminoacids from olefinically unsaturated omega-aldehydoacidsSNIA VISCOSA·Filed 1976·Granted Oct 18, 1977·3 cites·20 claims
- 3646US4255101ADevice for the continuous spinning of viscose rayonSNIA VISCOSA·Filed 1979·Granted Mar 10, 1981·6 cites·21 claims
- 3745US4287148AProcess for producing glossy fibres of the modacrylic type having reduced inflammabilitySNIA VISCOSA·Filed 1980·Granted Sep 1, 1981·5 cites·10 claims
- 3841US4381186AProcess for dyeing polyamidic textile materials, in particular high dyeing speed polyamides with acid dyes and alkaline reactantsSNIA VISCOSA·Filed 1981·Granted Apr 26, 1983·6 cites·17 claims
- 3941US4361532AProcess for the continuous spinning of viscose rayonSNIA VISCOSA·Filed 1981·Granted Nov 30, 1982·5 cites·6 claims
- 4040US4349473AProcess for the preparation of ω-lactams, in particular caprolactamSNIA VISCOSA·Filed 1980·Granted Sep 14, 1982·2 cites·7 claims
- 4139US4226824AProcess for spinning modacrylic fiber having high retraction and reduced inflammabilitySNIA VISCOSA·Filed 1978·Granted Oct 7, 1980·4 cites·13 claims
- 4239US4221692AProcess and apparatus for the production of additive-containing synthetic linear polymersSNIA VISCOSA·Filed 1978·Granted Sep 9, 1980·9 cites·7 claims
- 4338US4440876ALiquid foams of reinforced unsaturated polyester resins and process for making the sameSNIA VISCOSA·Filed 1983·Granted Apr 3, 1984·5 cites·7 claims
- 4438US4376680AProcess for demonomerizing polycapronamideSNIA VISCOSA·Filed 1979·Granted Mar 15, 1983·8 cites·10 claims
- 4538US4185062AProcess for high speed production of pre-oriented yarnsSNIA VISCOSA·Filed 1978·Granted Jan 22, 1980·6 cites·5 claims
- 4637US4314959AProcess for the preparation of regenerated cellulose formed bodies from solutions of cellulose derivatives in organic solventsSNIA VISCOSA·Filed 1980·Granted Feb 9, 1982·3 cites·15 claims
- 4737US4240188AProcess and device for interlacing multifilament yarnsSNIA VISCOSA·Filed 1979·Granted Dec 23, 1980·6 cites·19 claims
- 4836US4289723AProcess for the preparation of regenerated cellulose formed bodies from solutions of cellulose derivatives in organic solventsSNIA VISCOSA·Filed 1979·Granted Sep 15, 1981·2 cites·8 claims
- 4936US4265628AProcess for the manufacture of fire resistant acrylic polymer yarns and filmsSNIA VISCOSA·Filed 1979·Granted May 5, 1981·4 cites·6 claims
- 5036US4177214AProcedure for the preparation of saturated and unsaturated dialdehydesSNIA VISCOSA·Filed 1977·Granted Dec 4, 1979·1 cites·16 claims
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