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7749318 |
Cellulose solutions in ionic liquids
The present invention relates to a solution comprising cellulose and an ionic liquid comprising anions and cations as solvent, wherein the cations comprise at least one atom selected from the group...
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6896725 |
Aldehyde-containing polymers as wet strength additives
The invention concerns the use of a water-soluble or water-dispersible polymer having a molecular weight of at least 800, containing at least 5 aldehyde groups per molecule and at least 1 carboxyl...
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6893492 |
Nanocomposites of cellulose and clay
This invention relates to a process of forming a nanocomposite of cellulose with a clay material that is used as the nanofiller material. The nanocomposites show significant improvements in thermal...
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6812270 |
Process of producing highly homogeneous cellulose solution
Disclosed is a process of producing a highly homogeneous cellulose solution, in which a mixture of powdered cellulose with polyvinyl alcohol powder is fed in conjunction with concentrated liquid...
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6488876 |
Composition containing fine solid particles
The invention relates to a composition intended to be admixed to a moldable solution of cellulose in an aqueous tertiary amine oxide, which composition consists of solid particles,a mixture of a...
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6174358 |
Method for producing cellulose particles
A method for producing cellulose particles whereby a cellulose solution is dispersed in a regenerant or nonsolvent and the cellulose is regenerated or precipitated in dispersed form into cellulose...
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5993710 |
Cellulosic molding process and cellulosic moldings
The invention pertains to a process for manufacturing cellulose molded mers wherein a solution dissolved in amine oxides is shaped in a nozzle and the shaped solution is led after an air gap into a...
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5980626 |
Aqueous compositions for stripping paints and primers with a high degree of crosslinking
This composition for stripping paints coating a substrate, in particular for stripping paints and primers with a high degree of crosslinking, in particular of the epoxy, polyurethane and alkyd...
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5942029 |
Mechanically bonded fiber mulch
A mechanically-bonded, water-absorbent fiber mulch including natural and crimped synthetic fibers that are intimately mixed to form a mechanically-bonded fiber mulch.
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5821271 |
Water absorbing porous articles
The present invention comprises a metal complex capable of being dispersed in or alternatively, formed in a water-absorbing article having one or more metal ions situated within a sponge, at least...
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5792399 |
Formed shape made of regenerated cellulose and process for its production
A molding, particularly a fiber or foil molding, of cellulose regenerated an amino-oxide process provides that the cellulose contains 0.02 to 30% mass of a polyalkylene imine derivative. In...
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5541233 |
Durable anti-microbial agent
A water absorbing porous article comprising a sponge and a metal complex is disclosed The metal complex comprises a metal ion, at least one chelating polymer chelated to the metal ion and at least...
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5456748 |
Premix storage hopper
A premix storage hopper for storing a hot, viscous, paste-like mixture containing cellulose dispersed in a solution of tertiary amine oxide and water, comprises a vertical contain having a central...
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5126146 |
Cellulosic coating
A microporous, cellulosic coating useful in combination with osmotically controlled drug delivery devices is disclosed. In one embodiment, this coating results from application to core tablets of a...
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4981515 |
High functional regenerated cellulose composition
A regenerated cellulose composition having excellent adsorptivity and flame resistance prepared by a process in which viscose, a solvent-adsorbing active carbon in the form of an aqueous dispersion...
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4735658 |
Novel water-insensitive materials intended for public works; process and chemical composition for their obtention
The invention describes a novel material intended for use in public works, constituted by a mixture of granular, alluvial or clay soils, of hydrophilic polymers and cationic hydrophobating...
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4639477 |
Process for coloring high-molecular organic material, and novel metal complexes of oxime(s) of o-hydroxy benzaldehyde(s) and ketone(s)
Process for mass-coloring high-molecular organic material, which comprises using a metal complex of the formulae I and/or Ia ##STR1## in which R is a hydrogen or chlorine atom or a methyl or...
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4613631 |
Crosslinked polymers for enhanced oil recovery
Polymers used in enhanced oil recovery operations, including polysaccharides, polyamides and cellulose derivatives may be crosslinked by the use of organic nitrogen compounds bearing at least two...
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4597798 |
Method for dissolving cellulose in organic solvents and resulting cellulose solutions
Method for preparing a cellulose solution wherein cellulose is dissolved in a mixed solvent which is consisted essentially of an aliphatic quaternary ammonium halide, containing a lower alkyl group...
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4369064 |
Non-inflammable foamable molding compositions
Ethylene diammonium phosphates are excellent catalysts for particularly those intumescent agents which do otherwise not easily foam when exposed to heat.
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4290815 |
Use of co-solvents in amine N-oxide solutions
This invention relates to the use of certain co-solvents in cellulose amine N-oxide solutions, which co-solvents increase the cellulose dissolution rate; lower the temperatures necessary to...
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4264364 |
Thermally stable smoke suppressant additives to polymeric compositions
A polymer composition which includes, as a smoke suppressing additive, a complex of a Friedel-Crafts halide compound with an organic compound selected from the group which includes quaternary...
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4177177 |
Polymer emulsification process
A polymer emulsification process comprising intimately dispersing a liquified water insoluble polymer phase in an aqueous liquid medium phase containing at least one nonionic, anionic or cationic...
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4051101 |
Halogenated isothiuronium salts as flame retardants
Compounds of the formula ##STR1## wherein each X is independently selected from a group consisting of hydrogen, chlorine, bromine, alkyl, and haloalkyl, said alkyl containing 1 to 6 carbon atoms...
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4022631 |
Process for producing regenerated cellulosic articles
Cellulosic articles are regenerated from a cellulosic solution formed by the addition of cellulosic material to dimethyl sulfoxide and formaldehyde or paraformaldehyde by contacting the cellulosic...
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4011089 |
Phosphazene composition
A phosphazene composition is prepared by reacting a fully hydrocarboxylated phosphazene with a partially hydrocarboxylated phosphazene under conditions whereby an organic halide is evolved, in...
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3974251 |
Production of flameproof fibers of regenerated cellulose
Flame-retardant fibers of regenerated cellulose are produced by adding one or more flame-retardant phosphorus compounds to the viscose, extruding the viscose into a spinning bath and, if desired,...
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3732683 |
REGENERATED CELLULOSE FILAMENTS CONTAINING A FLAME-RETARDANT PHOSPHONITRILATE POLYMER AND AN ORGANIC PHOSPHATE SALT TO REDUCE FILAMENT TO METAL FRICTION
Regenerated cellulose filaments and filamentary articles wherein the filaments have dispersed therein a mixture of (1) a substantially water-insoluble, liquid, organic phosphonitrilate polymer and...
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3617185 |
STABLE HIGHLY CONCENTRATED SOLUTIONS OF BASIC DYES
A composition which is employed in the preparation of solutions of basic dyes to maintain their stability during extended periods of storage which comprises in admixture methyl alcohol,...
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3532526 |
FLAME - RETARDANT RAYON CONTAINING MERCAPTO-PHOSPHONITRILATE POLYMER
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3586520 |
REGENERATED CELLULOSE SPONGE RESISTANT TO PIGMENT BLEEDING AND FUNGICIDAL DEGRADATION AND PROCESS
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3654048 |
COMPACT BALE COMPRISING 1-15 PARTS BY WEIGHT BITUMEN AND 85-99 PARTS BY WEIGHT OF SHREDDED MUNICIPAL REFUGE
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3475410 |
TREATMENT OF A FILM OF CELLULOSE TO INTRODUCE AMINO GROUPS AND PRODUCTION OF NON-THROMBOGENIC SURFACES ON SUCH TREATED CELLULOSE FILMS
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3472670 |
PROCESS FOR THE MANUFACTURE OF SHAPED STRUCTURES FROM REGENERATED CELLULOSE TRANSPARENTLY COLORED WITH ORGANIC DYESTUFFS
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3424702 |
PROCESS OF DISSOLVING CELLULOSIC MATERIALS AND/OR SYNTHETIC POLYMERS IN LIQUID SULFUR DIOXIDE
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3379546 |
Process for improving the surface characteristics of cellulose hydrate films
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3375122 |
Inert ammunition filler composition comprising an alum
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3230212 |
Cross-linked cellulosic polymer
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3230107 |
Thermally stabilized cellulose materials
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3224889 |
Anti-static high molecular weight compounds
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3190763 |
Process for the anti-static finishing of high molecular weight compounds
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3163550 |
Production of coloured artificial threads
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3091554 |
Oxidation resistant cellulosic pellicle and process for the manufacture thereof
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2999035 |
Heat sensitive reproduction sheet, method of making and method of using
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2989410 |
All skin viscose rayon and method of preparing same
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2980554 |
Non-fibrous regenerated cellulose film containing anchoring-plasticizing agent
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2966390 |
Process for the production of etched textile material containing synthetic cellulosefibers
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2953468 |
Production of shaped objects from viscose
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2950207 |
Production of filaments having improved whiteness
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2945772 |
Cellulosic sponge
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