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National Starch and Chemical Corporation Patents
Assignee:
National Starch and Chemical Corporation
Address:
Bridgewater, NJ
No. of patents:
295
Patents:


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Patent Number Title Of Patent Date Issued
RE28809 Preparation of starch esters May 11, 1976
Aqueous slurries or dispersions of starch are reacted with imadazolides of carboxylic or sulfonic acids to yield starch ester derivatives. These starch products can also be prepared in non-aqueous solvents or by a dry reaction process.
4923695 Hydrocarbon tolerant hair fixing compositions May 8, 1990
This invention prevents two series of novel hair fixing compositions, the first comprising copolymers of acrylates, N-substituted acrylamides and acrylic acid; and the second comprising copolymers of vinyl acetate or propionate, vinyl esters of .alpha.-branched carboxylic acids, and alky
4916183 Copolymers as thickeners and modifiers for latex systems April 10, 1990
A thickened aqueous copolymer solution useful for thickening and improving the properties of latex systems comprising a copolymer having as monomeric units: about 79-99 percent of a (meth)acrylic acid salt of sodium, potassium, or ammonium; about 0-20 percent of (meth)acrylic acid; about
4915845 Inhibition method April 10, 1990
Water soluble polymers comprising at least one mole percent of a recurring monomer unit represented by the chemical structure ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are independently hydrogen or C.sub.1 -C.sub.6 alkyl; and X is hydrogen, an alkali or alkaline earth
4912209 Starch based corrugating adhesives March 27, 1990
This invention presents starch-based alkaline corrugating adhesives having improved green bond strength due to the use of undried starch as the raw starch component in the adhesive. Such adhesives can be used in corrugation processes at much higher corrugator running speeds than the
4911960 Laminating adhesive for film/paper microwavable products March 27, 1990
Wet laminating adhesives capable of withstanding the stresses encountered during heat sealing operations are prepared from emulsion copolymers consisting essentially of 45 to 80% by weight of a vinyl ester of an alkanoic acid, 10 to 30% ethylene, 5 to 30% of dialkyl maleate, 0.5 to 2%
4908268 Ethylene vinyl acetate-dioctyl maleate-2-ethylhexyl acrylate interpolymers March 13, 1990
Adhesive compositions having a Tg of -45.degree. to -25.degree. C. suitable for application to plasticized polyvinyl chloride comprising 25 to 40% by weight of a vinyl ester of a alkanoic acid; 10-30% by weight ethylene; 20 to 30% by weight of di-2-ethylhexyl maleate or fumarate; 20 to 3
4906397 Detergent compositions utilizing divinyl ether polymers as builders and novel divinyl ether poly March 6, 1990
This invention provides detergent compositions utilizing divinyl ether/maleic anhydride polymers as detergent builders or co-builders. This invention also provides novel polymers of divinyl ether, maleic anhydride and at least one copolymerizable comonomer, selected from the group co
4902370 Synthetic based cold seal adhesives February 20, 1990
This invention presents a series of synthetic based cold seal adhesives which are capable of forming a strong bond at room temperature, yet which may be reeled up without blocking and stored for extended periods of time. Such adhesives can be used in place of the natural rubber based col
4898677 Process for inhibiting scale formation and modifying the crystal structure of barium sulfate and February 6, 1990
The deposition of scale-imparting precipitates in aqueous media containing significant amounts of barium sulfate and other scale forming salts (e.g., calcium carbonate and calcium sulfate) is inhibited and controlled by adding a scale-inhibiting amount of a water-soluble acrylic acid cop
4892917 Adhesive compositions for use on vinyl substrates January 9, 1990
Adhesive compositions having a Tg of -45.degree. to -25.degree. C. suitable for application to plasticized polyvinyl chloride comprising 30-70% by weight of a vinyl ester of a alkenoic acid; 10-30% by weight ethylene; 20-40% by weight of a di-2-ethylhexyl maleate or di-n-octyl maleate or
4892898 Water soluble polymers containing allyloxybenzenesulfonate monomers January 9, 1990
Water soluble polymers comprising at least one mole percent of a recurring monomer unit represented by the chemical structure ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are independently hydrogen or C.sub.1 -C.sub.6 alkyl; and X is hydrogen, an alkali or alkaline earth
4892785 Heat resistant binders January 9, 1990
Heat resistant binders for flexible nonwoven mats may be prepared using an emulsion polymer comprising 100 parts by weight of acrylate or styrene/acrylate monomers, 3 to 6 parts of a blocked, N-methylol containing comonomer, 0 to 3 parts of a water soluble non-blocked N-methylol cont
4889884 Synthetic based cold seal adhesives December 26, 1989
This invention presents a series of synthetic based cold seal adhesives which are capable of forming a strong bonds at room temperature, yet which may be reeled up without blocking and stored for extended periods of time. Such adhesives can be used in place of the natural rubber based co
4888250 Electroconductive coatings December 19, 1989
A self-crosslinking polymer consisting essentially of at least 1 mole % of a halohydrin monomer, at least 1 mole % of a tertiary or secondary amine salt monomer, and 0-98 mole % of a vinyl polymerizable monomer other than the halohydrin or amine salt monomers crosslinks, in the presence
4886678 Method for manufacture of jelly gum confections December 12, 1989
This invention provides a method for manufacture of jelly gum confections at lower temperatures utilizing conventional confectionery formulations containing starch which has been debranched by treatment with an endo-alpha-1,6-D-glucanohydrolase to provide lower hot viscosity and impr
4876336 Amphoteric starches and process for their preparation October 24, 1989
Improved amphoteric starch derivatives containing tertiary amino or quaternary ammonium groups and anionic phosphate groups are disclosed. The derivatives which are defined by a minimum bound phosphorus content, a minimum viscosity and other criteria have use as wet-end additives and
4874804 Hot melt adhesives based on ethylene-n-butyl acrylate October 17, 1989
Hot melt packaging adhesive compositions consisting essentially of 35 to 45% by weight of an ethylene n-butyl acrylate copolymer containing 25-45% by weight, preferably 30 to 40% n-butyl acrylate and having a melt index of at least 50; 35 to 55% of a terpene phenolic tackifier; and 10 to
4874628 Process for the manufacture of cast jelly gum confectionaries October 17, 1989
Pregelatinized high amylose starches are useful in processing cast jelly gum confectionaries. The starch has an amylose content of at least 40% and it may be used alone or in combination with a converted starch. The starch is pregelatinized by spray-drying using a novel continuous couple
4872951 Starch blends useful as external paper sizes October 10, 1989
This invention presents a series of blends of ASA-treated and cationic starches for use as external sizes of paper and paperboard products. The blends contain at least 30% (by wt) of the ASA-treated starch, which is a monoester of the starch and an alkyl or alkenyl succinate and, optiona
4871572 Replacement of mung bean starch by modified potato and sweet potato starch in oriental noodles October 3, 1989
The present invention provides an imitation oriental noodle consisting essentially of starch and water, wherein the mung bean starch present in the noodles is replaced with at least about 30% by weight of a crosslinked potato starch having a sediment volume of 2-16 ml or a crosslinked sw
4866151 Polysaccharide graft polymers containing acetal groups and their conversion to aldehyde groups September 12, 1989
Polysaccharide graft polymers which comprise an acetal-containing or aldehyde-containing homopolymer or copolymer grafted to a polysaccharide base have been prepared. The monomer repeating units in the homopolymer are derived from one or more ethylenically or allylically unsaturated
4866119 Textile coatings based on eva-maleate copolymers September 12, 1989
Woven pile fabrics, particularly upholstery fabrics and corduroy, characterized by a superior balance of strength and softness are back-coated utilizing an aqueous emulsion prepared by the emulsion polymerization of a vinyl ester of an alkanoic acid interpolymerized with 10 to 30% by
4863655 Biodegradable packaging material and the method of preparation thereof September 5, 1989
A biodegradable packaging material comprising an expanded high amylose starch product having at least 45% by weight amylose content, said expanded product having a low density, closed cell structure with good resilience and compressibility.Another embodiment provides a method of preparin
4859509 Textile warp size August 22, 1989
Textile warp sizing compositions and hydrophobic starch derivatives useful therefor are provided. The compositions strengthen and protect warp yarns as well as render textile lubricants uniformly dispersible thereon. The compositions additionally facilitate efficient lubricant removal du
4859508 Heat resistant binders August 22, 1989
Heat resistant binders for flexible nonwoven mats may be prepared using an emulsion polymer comprising 100 parts by weight of acrylate or styrene/acrylate monomers, 3 to 6 parts of a blocked, N-methylol containing comonomer, 0 to 3 parts of a water soluble non-blocked N-methylol cont
4859455 Hydrocarbon tolerant hair fixing compositions August 22, 1989
This invention presents two series of novel hair fixing compositions, the first comprising copolymers of acrylates, N-substituted acrylamides and acrylic acid; and the second comprising copolymers of vinyl acetate or propionate, vinyl esters of .alpha.-branched carboxylic acids, and alky
4859248 Pulse combustion process for the preparation of pregelatinized starches August 22, 1989
A process for simultaneously atomizing, cooking, and drying a mixture of starch and water in the exhaust gas stream from a sonic pulse jet combustion engine is described. The process consists of preparing a mixture of a granular starch with water (preferably a starch cake), feeding t
4853168 Process for spinning starch fibers August 1, 1989
Raw starch is slurried in an aqueous solution containing up to and above saturation levels of an ammonium sulfate, ammonium monobasic or dibasic phosphate, sodium sulfate or mixtures thereof. The slurry is then cooked at temperatures above about 150.degree. C. The resulting starch cook i
4851235 Production of fermented whey products containing an emulsifier July 25, 1989
Dairy whey, a waste product of cheese production, is fermented with an organism to produce a whey product containing an emulsifier. Fermentation is carried out by forming a fermentation broth of whey or whey and oil, and optionally yeast extract and then fermenting the broth with Candida
4849546 Process for the preparation of ethynylbenzaldehydes July 18, 1989
A multi-step process for the preparation of ethynylbenzaldehydes from bromo- or iodobenzaldehydes is disclosed. The arylhalogen is replaced with a protected ethynyl compound which is subsequently cleaved by base to form the arylacetylene. The aldehydic functionlity is preserved by format
4845305 Process for the preparation of isophthaladehyde July 4, 1989
This invention presents a method for the preparation of isophthalaldehyde in an all-aqueous solution using m-xylenediamine, hexamethylenetetramine, and HCl as the only reactants. Such a process permits the preparation of high yield of a high purity product.
4845152 Tape joint compounds utilizing starch stabilized emulsions as binders July 4, 1989
Tape joint compounds are prepared using as binders therefor vinyl ester polymers prepared by conventional emulsion polymerization techniques employing, as the stabilizer therein, an acid converted or enzyme modified starch having a water fluidity of 10 to 85.
4844102 Improved nail coating and bonding method July 4, 1989
This invention presents improved processes for applying artificial nails to natural fingernails and for applying durable protective coatings to the surface of natural nails. The improvements comprise applying a viscous cyanoacrylate adhesive to the nail surface and subsequently spreading
4842874 Composition for preparing freeze-thaw microwaveable pre-fried foodstuffs June 27, 1989
Batter coated, pre-fried microwaveable foodstuffs characterized by improved freeze/thaw stability are provided by employing as a dry predust, prior to batter application, a composition comprising greater than 20%, by weight, of an hydroxypropylmethyl cellulose ether having a methoxyl con
4842852 Hydrocarbon tolerant hair fixing compositions June 27, 1989
This invention presents two series of novel hair fixing compositions, the first comprising copolymers of acrylates, N-substituted acrylamides and acrylic acid; and the second comprising copolymers of vinyl acetate or propionate, vinyl esters of .alpha.-branched carboxylic acids, and alky
4839449 Polysaccharides containing aromatic aldehydes and their derivatization via amine-aldehyde intera June 13, 1989
A polysaccharide derivative having the structure Sacch--O--Z--Ar--CH.dbd.N--Y or ##STR1## where Sacch-O- represents a polysaccharide molecule; Z is --(CH.sub.2).sub.n -- or ##STR2## Ar is a divalent aromatic group; Y is (a) a monovalent group derived from a water-soluble
4838944 Degradation of granular starch June 13, 1989
A process for the degradation of granular starch employing hydrogen peroxide and a catalytic amount of manganese ions in an alkaline slurry reaction is disclosed. The manganese ions catalyze the degradative reaction so that the desired amount of degradation of the granular starch can
4836933 Water treatment polymer June 6, 1989
Aqueous media are treated to reduce or prevent the deposition of solid material therein comprising the addition to the water of an effective amount of at least one polymer or copolymer formed from a monomer of the following general structure: ##STR1## wherein R.sub.1 is independe
4831128 Synthetic homo- and heteropolysaccharides and a method for the preparation thereof May 16, 1989
Mono- and polysaccharides comprising one to about 20 saccharide units which also contain a reducing carbon atom are reacted with 3-halo-1,2-propandiol in the presence of a cation exchange resin to form 3-halo-2-hydroxypropyl glycosides or glycidyl glycosides. These glycosides react with
4829139 Pressure sensitive adhesives comprising ethylene vinyl acetate dioctyl maleate terpolymers May 9, 1989
Permanently tacky pressure sensitive adhesives comprise terpolymers consisting essentially of 35-50% by weight of a vinyl ester of an alkanoic acid, 15-30% by weight ethylene and 35-50% by weight of di-2-ethylhexyl maleate or the corresponding fumarate.
4826938 Substrates coated with pressure sensitive adhesives comprising ethylene vinyl acetate dioctyl ma May 2, 1989
Permanently tacky pressure sensitive adhesives comprise terpolymers consisting essentially of 35-50% by weight of a vinyl ester of an alkanoic acid, 15-30% by weight ethylene and 35-50% by weight of di-2-ethylhexyl maleate or the corresponding fumarate.
4822676 Pressure sensitive adhesive compositions for use on vinyl substrates April 18, 1989
Adhesive compositions having a Tg of -45.degree. to -25.degree. C. suitable for application to plasticized polyvinyl chloride comprising 25-48% by weight of a vinyl ester of a alkenoic acid; 10-25% by weight ethylene; 40-70% by weight of an acrylic acid ester; 1 to 10% by weight of terti
4822653 Recyclable hot melt adhesive compositions April 18, 1989
Recyclable hot melt adhesive compositions suitable for plastic bonding may be prepared from styrene-ethylene-butylene-styrene tri-block and/or styrene-ethylene-butylene di-block copolymers which are tackified with at least one hydrogenated resin based on alpha-methyl styrene, vinyl tolue
4820779 Adduct of a carbinol-containing polyimide oligomer terminated with epoxide-reactive groups and a April 11, 1989
A carbinol-containing polyimide oligomer terminated with epoxide-reactive end groups has the structure ##STR1## wherein Ar is ##STR2## R.sup.1 and R.sup.2 are independently divalent organic radicals; R.sup.3 is a trivalent organic radical; Y is an epoxide-reactive group; m is
4816306 Hot melt adhesives based on ethylene-n-butyl acrylate March 28, 1989
Hot melt packaging adhesive compositions consisting essentially of 35 to 45% by weight of an ethylene n-butyl acrylate copolymer containing 25-45% by weight, preferably 30 to 40% n-butyl acrylate and having a melt index of at least 50; 35 to 55% of a terpene phenolic tackifier; and 10 to
4812445 Starch based encapsulation process March 14, 1989
Virtually any material may be encapsulated in a starch matrix by combining the material with a high temperature-stabilized dispersion of starch, optionally in the presence of salt. The temperature-stabilized starch dispersion acts as a protective colloid, encasing the material to be
4812327 Emulsion-type rust preventive baking composition March 14, 1989
Emulsion type rust-preventive baking composition which comprises a polymer emulsion such as an aqueous acrylic resin emulsion and a heat-fusible organic filler having a melting or softening point within the range of 40.degree.-250.degree. C. which is higher by at least 10.degree. C. than
4804769 Acetals useful for the preparation of polysaccharide derivatives February 14, 1989
Polysaccharide aldehydes having the formula Sacch-O-CH.sub.2 -CH.dbd.CH-CHO, Sacch-O-CH.sub.2 -C.tbd.C-CHO, ##STR1## such as starch, cellulose, and gum aldehydes, are useful for imparting wet, dry, or temporary wet strength to paper. They are prepared by a non-oxidative method wh
4803071 Hair care compositions February 7, 1989
Hair care formulations are prepared which comprise a carrier and a functional amount of a cationic water soluble graft copolymer of a N,N-dialkyldiallyl ammonium halide on a substrate of cellulose, galactomannon gum or derivative thereof, wherein the graft copolymers are characterize
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