Abstract: A dual ovenable food tray having both high temperature resistance and superior food release properties is prepared by applying to at least one surface of a paperboard substrate an aqueous coating formulation comprising a styrene-acrylic latex having a low T.sub.g, a styrene-acrylic latex having a high T.sub.g or a mixture thereof, wherein the coating formulation preferably further comprises at least one additional component selected from coalescing solvents, thickening agents, defoaming agents, crosslinkers and wax emulsions.

Abstract: A method of marking forms such as pharmaceutical tablets, capsules, confectionery and food with a water based ingestible ink comprising mixing pigments, a polymer, and optionally a plasticizer into water to form an ink dispersion, and printing the ink dispersion onto said forms to form a trademark, logo, or the like.

Abstract: A heat reservoir device for maintaining a comestible at a desired consumption temperature consisting essentially of a shaped reinforced thermoset polyester resin, preferably one made by reacting isophthalic acid, propylene glycol, and fumaric acid to form the unsaturated polyester and then forming a solution thereof in a vinyl monomer. The invention also include the method of maintaining a comestible at a desired temperature using such device.

Abstract: The present invention relates to a film-forming product for coating solid forms, to a process for the manufacture of this film-forming product and to products coated with this film-forming product. According to the invention, this film-forming product takes the form of homogeneous granular particles which can easily be dispersed in an aqueous or organic solvent and which make it possible to obtain a uniform non-matt film, and its dry matter comprises:at least one ingestible, non-toxic film-forming substance in an amount of between 30 and 95% by weight;at least one colored pigment in an amount of between 5 and 50% by weight; andif appropriate, at least one edible plasticizer in an amount less than or equal to 30% by weight.

Abstract: The present invention provides a composition for absorbing ethylene and other unsaturated compounds. The composition comprises electron-deficient dienes or trienes incorporated in an ethylene-permeable substrate. In a preferred form the composition comprises tetrazine dicarboxyoctyl ester in an ethylene-permeable, hydrophobic polymeric substrate. In a preferred form the composition is cast as a thin film suitable for wrapping and/or packaging. The present invention also provides a method of retarding the ripening or senescence of fruit and other plant material comprising confining the fruit or plant material in an ambient atmosphere subject to the ethylene-absorbing action of a composition comprising an electron-deficient diene or triene incorporated in an ethylene-permeable substrate.

Abstract: Far infra-red ray radiating materials in which organic metal compounds or organic silicon compounds are used as radiating materials are disclosed. Examples of organic metal compounds which may be used in this invention are alkyl metal ester, alkyl metal chelate, alkyl metal acylate, metal chelated ester, metal alcoholate, and zirconium tetraacetylacetonate. Examples of organic silicon compounds which may be used in this invention are dimethyl dispoxy silan, and methyl triethoxy silan. The far infra-red radiating material manufactured by using the above compounds make it possible to express transparent color and have increased surface brightness, adhesive strength, and heat resistance, without lowering its standard of radiation rate in comparison with known radiating materials manufactured by using inorganic compounds.

Abstract: Water resistant films and coatings are prepared by treating films or coatings of water soluble or dispersible grafted proteins prepared with monoethylenically unsaturated monomers at above 40.degree. C. and/or with at least one compound which is a hardener for proteins, and are useful as compostable packaging materials or as outer layers of diapers.

Abstract: A method of processing cellulose sausage skins is disclosed in which sausage skins are filled with contents to make sausages, the cellulose sausage skins are removed from the sausages, the removed sausage skins are dissolved to form a recycled cellulose dope, and new sausage skins are formed from the recycled cellulose dope. Dissolving sausage skins under soda cellulose Q condition for subsequent reuse is specifically described. In addition, forming a dissolved cellulose feed stock for use in producing sausage skins employing cavitation and a solvent is disclosed.

Abstract: A sealing composition for a container closure comprising a polymeric matrix material and is modified by the inclusion therein of an oxygen scavenger. The composition can be in fluid or meltable form ready for application to a closure or it can be present as a deposit on the closure, for instance a gasket around the closure. Preferably the scavenging properties of the deposit are activated by pasteurizing or sterilizing the deposit when sealing a container with the closure. The invention is of particular value when the closure is a metal cap for a beer bottle.

Abstract: Described are smoking tobacco compositions comprising smoking tobacco and intimately admixed therewith an aroma or taste augmenting, enhancing or imparting quantity of a tricyclic ether-substituted acetic acid having the structure: ##STR1##

Abstract: The use of adhesive mixtures containing--per 100 parts by weight water--40 to 120 parts gum arabic, 3 to 80 parts by weight water soluble starch degradation products and/or carboxymethyl starch and/or gelatinized starch and, optionally, typical preservatives in aqueous solution and having a Brookfield (RVT) viscosity at 20.degree. C. in the range from 1,000 to 15,000 and more especially in the range from 1,700 to 5,000 for glueing the longitudinal seam of cigarette tubes by machine, produces excellent glueing strength.

Abstract: This invention provides smoking compositions which contain a novel flavorant-release additive.Under cigarette smoking conditions, a combustible filler and/or paper wrapper additive such as 4'-formyl-2'-methoxyphenyl 4,6-O-cinnamylidene-.beta.-D-glucopyranoside pyrolyzes into cinnamaldehyde and vanillin flavorants as volatile components of the cigarette smoke.

Abstract: A molded article of permanent ovenware comprising (A) 35-85% by weight of a wholly aromatic polyester resin; (B) 15-65% by weight of a specifically defined talc containing a minimum amount of materials decomposable at elevated temperatures; and (C) 0-20% titanium dioxide, wherein the wholly aromatic polyester resin (A) is a blend comprising a first resin based on repeating units of hydroquinone, isophthalic acid (or mixtures of iso- and terephthalic acids), and para-hydroxybenzoic acid, and a second resin based on repeating units of biphenol, isophthalic acid, terephthalic acid and para-hydroxybenzoic acid. The ovenware shows excellent resistance to blistering, bubbling and cracking during molding and oven use.

Abstract: A sealing composition for a container closure comprises a polymeric matrix material and is modified by the inclusion therein of an oxygen scavenger. The composition can be in fluid or meltable form ready for application to a closure or it can be present as a deposit on the closure, for instance a gasket around the closure. Preferably the scavenging properties of the deposit are activated by pasteurizing or sterilizing the deposit when sealing a container with the closure. The invention is of particular value when the closure is a metal cap for a beer bottle.

Abstract: Disclosed herein is a food container of a resin composition composed of a polyolefin and an inorganic filler, said resin composition containing (i) a phenolic antioxidant and (ii) a slip agent and/or antistatic agent, said phenolic antioxidant being at least one kind selected from .beta.-(4-hydroxy-3-t-butyl-5-alkylphenyl)propionic acid esters, hindered phenols having an isocyanuric acid ester, 1,3,5-tris(3,5-di-t-butyl-4-hydroxybenzyl)-2,4,6-trimethylbenzene, specific phenol compounds, and 6-hydroxychroman compounds. The food container has a low level of offensive odors and discoloration.

Abstract: A leach resistant composition includes a quaternary ammonium complex of heparin and a silicone. A method for applying a coating of the composition to a surface of a medical article is within the purview of the present invention. Medical articles having surfaces which are both lubricious and antithrombogenic, are produced in accordance with the method hereof.

Abstract: Injection-moldable copolyesters of terephthalate units, ethylene units and a high proportion (e.g. 82-87) mole %) of oxybenzoate units, and cookware made of such copolyesters. Process for making such copolyesters by reacting polyethylene terephthalate with p-acetoxybenzoic acid in a solvent, first at a temperature below 240.degree. C. to product a fragmented polyester, raising the temperature to split off acetic acid, then adding more acetoxybenzoic acid to raise the oxybenzoate content to more than 80 mole %.

Abstract: Aqueous, heat-curable coating material, containing as vehicle 85 to 40 weight percent of a mixture of a fatty acid-free, acidic epoxide resin phosphate ester with an acid number of 10 to 150, prepared from an epoxide group-containing polyglycidyl ether and/or a polyglycidyl methacrylate resin with more than 1.3 epoxide groups per molecule and an epoxide equivalent weight of 180 to 5,000 and a phenolic resin-modified, carboxyl group-containing, oil-free polyester with an acid number of 15 to 175 and an OH number of 15 to 175, 0 to 25 weight percent of an epoxide resin graft copolymer with an acid number of 30 to 200, prepared from an epoxide group-free reaction product of fatty acid-free polyglycidyl ethers with more than 1.3 epoxide groups per molecule and an epoxide equivalent weight of 1,000 to 5,000 with .alpha.,.beta.

Abstract: Disclosed is an inorganic porous substance-containing styrenic resin composition comprising 100 parts by weight of a styrenic resin and from 0.5 to 30 parts by weight of an inorganic porous substance. The composition is formed into packaging materials in the form of film, tray, bag or other containers, and these have an excellent freshness-keeping effect for packaging plants, especially vegetables and fruits. The effect for keeping the taste and flavor of vegetables and fruits is remarkable, and the composition of the invention is useful as a packaging material.

Abstract: A water based antistatic coating composition comprising:(a) at least one water soluble antistatic agent which is acceptable for food packaging polymer films;(b) at least one water soluble or water dispersible film-forming polymer; and,(c) a solution or dispersion-forming amount of water.When applied to a polymer film substrate, the foregoing antistatic coating composition forms, upon drying, and adherent antistatic coating.

Abstract: Heat curable coating compositions particularly suitable as coatings for metal can ends are made from aqueous dispersions of epoxy resins, acrylic resins which are copolymers of polymerizable acids and other monomers, and alkylated phenol novolac resins.

Abstract: A method for imparting non-fugitive antimicrobial activity to an article of manufacture is disclosed which comprises forming the articles of manufacture from an acrylonitrile composition which includes up to 10% of a protonated amine. The antimicrobial activity is inherent in the acrylonitrile composition.

Abstract: A non-toxic edible enteric film coating dry powder and aqueous enteric coating suspension for coating pharmaceutical tablets and the like; the enteric coated tablets; and methods of making the enteric coating dry powder, the aqueous coating suspension, and of coating the tablets.

Abstract: Novel rubber connectors and other rubber parts for use in human infusion sets and rubber compositions and other rubber parts for use in human infusion sets and products produced thereby, such compositions comprising by weight a major amount of rubber selected from mixtures of natural rubber and synthetic natural rubber, the novel composition further comprising by weight a minor amount of a high density polyolefin and a filler, the composition being capable of being cured with an effective amount of a peroxide curing agent and an activator to achieve cross-linking of the rubber and the high density polyolefin.

Abstract: Permanent ovenware capable of repeated use in both conventional thermal and microwave ovens fabricated from wholly aromatic polyester compositions and, more particularly, from oxybenzoyl polyester compositions containing up to about 60% of talc having present a minimum content of material decomposable at elevated temperatures.

Abstract: Aqueous dispersions useful as can coating compositions are made from the ammonia or amine salt of a carboxyl functional acrylic copolymer blended with phenolplast resins, polyepoxide resins partially reacted with a monofunctional acid and, optionally, an epoxidized hydrocarbon or vegetable oil.

Abstract: A coating composition and container coated with said composition comprising a water insoluble organic coating and having incorporated therein zinc oxide and an alkaline earth metal material in an amount sufficient to effect green color retention of green vegetables.

Abstract: A coating composition is produced particularly adapted for use on the interior of food containers, and specifically metal cans which contain proteinaceous foods. In addition to being nonstaining the particular coating composition is steam resistant and flexible. It is also water dilutable and storage stable. The polymer consists of a reaction product of a plurality of acrylic monomers in the presence of a high molecular weight epoxy resin, a phenolic resin, and a free radical initiator dissolved in a water miscible solvent. The solution is rendered water dilutable by the addition of aqueous amine which neutralizes the carboxyl functionality of the acrylic monomers.

Abstract: A copolymer of at least one hydroxy (lower alkyl) 2-alkenoate, e.g., hydroxyethyl methacrylate, with 35 to 80%, preferably 50 to 80%, of at least one diester of an alkenedioic acid in hydrogel form is employed to entrap flavors and fragrances in an amount of 5 to 80% or even up to 90%, preferably 30 to 80% of the total formulation. A solvent can also be present in an amount up to 80%, preferably 10-80% of the total weight of the formulation.

Abstract: Ovenwares produced by molding a wholly aromatic polyester resin composition comprising 30 to 80 wt. % of a wholly aromatic polyester having a repeating unit represented by the general formula, ##STR1## wherein X is a C.sub.1 -C.sub.4 alkyl group or --O--, --SO.sub.2 --, --S-- or --CO-- group, m and n are 0 or 1, a d:e ratio is in the range of from 1:1 to 10:1, an e:f ratio is in the range of from 9:10 to 10:9, and the positions of substituents at each aromatic ring of the foregoing general formula are para or meta to each other, 5 to 60 wt. % of wollastonite and 5 to 60 wt. % of titanium oxide.

Abstract: An aqueous resin dispersion prepared by dispersing in an aqueous medium in the presence of ammonia or an amine a composite resin composition comprising carboxylic groups in an excessive amount and a reaction product obtained by at least partially reacting a specific acrylic resin (A), a specific aromatic epoxy resin (B) and a specific phenolic resin (C),characterized in that the acrylic resin (A) and the aromatic epoxy resin (B) are at least partially reacted with each other, and the phenolic resin (C) is pre-condensed with the acrylic resin (A) or aromatic epoxy resin (B).

Abstract: A washcoat composition suitable for application to tin-plated mild steel consists of an aqueous carrier medium and a binder comprising specified relative proportions of (A) a thermosetting acrylic polymer in the form of a sterically stabilized dispersion in the aqueous medium and (B) an epoxy resin, the composition additionally containing an acid catalyst, in particular phosphoric acid or chromic acid or an ammonium or amine salt thereof.

Abstract: A dry powder edible film coating composition for use in pharmaceuticals, confectionery and food, comprising a dry mixture including powdered particles of a film forming non-toxic polymer, powdered edible pigment particles, and an edible polymer plasticizer, said dry mixture being solvent free. A method of making a dry powder edible film coating composition of powdered pigment particles for use in pharmaceuticals, confectionery and food, comprising the steps of mixing a powder of a film forming polymer and powdered pigment particles in a blender to form a polymer-pigment mix, and adding the plasticizer to the blender containing the polymer-pigment mix and mixing until the combined mix is blended to form the dry powder edible film coating composition.

Abstract: A process for producing an epoxy-type lacquer, which comprises reacting a liquid epoxy resin having about one bisphenol A skeleton on an average in the molecular chain and derived from bisphenol A and an epihalohydrin, with bisphenol A in the presence of a catalyst in an inert organic solvent to prepare a concentrated solution of an epoxy resin having a number average molecular weight of from 2,000 to 10,000, adding an organic solvent to the concentrated solution to dilute it and maintain it at a temperature lower than that at which the catalyst is active, and mixing the resulting diluted solution with a solution of a resin acting as a curing agent for the epoxy resin. The resulting lacquer is especially useful for coating metallic containers.

Abstract: Benzene is removed from carboxy polymethylene resin by dissolving the resin to form a solution and dispersing the solution as fine droplets in a gas phase or aerating the solution to introducing into it a fine dispersion of gas bubbles. The benzene transfer from the solvated resin to the gas phase and a benzene-free resin or solution can be obtained which may be usable in pharmaceutical and food products.

Abstract: Described herein is cookware made from a select polyarylethersulfone. The cookware can be used in essentially all cooking oven applications. Also described is a composition suitable for making cookware wherein the composition contains greater than 50 weight percent of the polyarylethersulfone.

Abstract: Aqueous compositions suitable for use as sanitary container coatings are prepared by reacting epoxy resin and a carboxyl containing acrylic resin in the presence of a polyfunctional tertiary amine. The compositions made with polyfunctional amine have lower viscosities than those made with monofunctional amine, an advantage in preparing high solid coatings for roll application, for example.

Abstract: A polyester which when made into an article such as films, containers, bottles and the like has a very high clarity, a low haze value, and a neutral hue. In the preparation of the resin, an antimony catalyst is utilized along with small amounts of a bluing agent such as a cobalt compound and a phosphate compound with the phosphate compound generally being slightly in excess of an equivalent amount of the cobalt compound. The polyester is made from dicarboxylic acids and preferably aromatic acids such as terephthalic acid reacted with polyhydric alcohols.

Abstract: A polymeric composition useful for interior coatings for beverage containers comprises a polymeric mixture of epoxy-acrylic copolymer and epoxy phosphate ester.

Abstract: A self-curing water dispersed emulsion or solution polymerized polymer comprises copolymerizing ethylenically unsaturated monomers including (i) alkylol acrylamide monomer, (ii) functional monomer such as carboxyl, hydroxyl, amine, or amide functional monomer, (iii) phosphated monomer, and (iv) other ethylenically unsaturated monomer.

Abstract: The composition comprises an aqueous polyelectrolyte polymer intermixed with a phosphated polymer and a self-curing water dispersed polymer containing copolymerized functional monomer and alkylol acrylamide monomer. The polyelectrolyte polymer is produced by copolymerizing ethylenically unsaturated monomers, including hydroxyl or carboxyl monomers in the presence of an ionizing agent.

Abstract: Certain alkali metal salts of organic diacids having one or more hydroxyl functional groups, as for example sodium and potassium citrate, provide improved adhesion of organic coatings electrodeposited on metal substrate. The new sanitary coatings are particularly useful for untreated aluminum and aluminum alloy cans used in the packaging of various food products including acidic foods like tomatoes, corn, and green beans which require in-can-sterilization.

Abstract: Aqueous thermosetting coating compositions adapted for roll coat application are disclosed in which water has dispersed therein an adduct of a diglycidyl ether of a bisphenol having a 1,2-epoxy equivalency of at least 1.2 and an average molecular weight of from about 2000 to about 5000 with a stoichiometric proportion, based on epoxy and secondary amine, of diprimary amine having a single secondary amine group and each primary amine group blocked by a ketimine group. At least about 50% of the amine groups of this adduct are protonated with a volatile acid, and the ketimine groups hydrolyze in the water to provide primary amine functionality and ketone solvent in the aqueous medium. From 20% to 50%, based on total resin solids, of water insoluble, heat-hardening phenol-formaldehyde resin curing agent is employed for cure. The curing agents are added to the adduct in solution in water-miscible organic solvent, and cresol-formaldehyde curing agents are preferred.

Abstract: An ethylene polymer film forming composition comprising an ethylene polymer and from about 450 to about 6000 ppm preferably 500 to 5000 ppm of metal salt of a fatty acid having from 7 to 22 carbon atoms and from about 300 to 7000 ppm preferably 500 to 4000 ppm of an antiblocking agent.

Abstract: Aqueous compositions suitable for sanitary can coatings comprising the neutralized water dispersible ionic polymer product of the reaction of an epoxy resin with acid polymer, and a different resin which is not necessarily self-dispersible in water, as well as several methods of preparing such compositions, are disclosed. The second resin which is not necessarily self-dispersible in water is introduced either preformed at any stage or is prepared, in situ, in the presence of the epoxy resin esterified with acid polymer either before the ionic epoxy resin-acid polymer product is dispersed in water. The epoxy resin-acid polymer product acts as a polymeric surfactant capable of keeping even a normally non self-dispersible second polymer in stable dispersion in water.

Abstract: An improved process for preparing epoxy acrylate dispersions from the reaction product of an epoxy resin and carboxyl containing polymer in the presence of tertiary amine in which the carboxyl containing polymer is formed, in situ, in the presence of a solvent solution of the epoxy resin and then subjected to the esterification reaction which can be conducted in a single pot.

Abstract: A cling/stretch wrap film having desirable processing and end use characteristics is made from a composition of 90-97.5 wt. % an ethylene polymer having a melt flow value between 0.2 to 6.0 such as EVA copolymer (4-5 wt. % VA content) and 2.5-10 wt. % low density amorphous copolymer of ethylene and propylene (about 3-5 wt. % ethylene).

Abstract: A thermoplastic resin composition prepared by adding, to a vinyl chloride resin composition or its homologous series resin composition, a glycerin ester represented by the following formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 represent each an acyl group or a hydrogen atom, said acyl group comprises one having 2 carbon atoms and one consisting mainly of those having 10 to 14 carbon atoms, the acyl group having 2 carbon atoms is present in an amount, on the average, of up to 2 mol per mol of glycerin, the acyl group consisting mainly of those having 10 to 14 carbon atoms are present in an amount, on the average, of at least 0.9 mol per mol of glycerin and the total amount of the acyl groups is, on the average, 2.7 to 3.0 mol per mole of glycerin.

Abstract: Vinyl and vinylidene halide resins containing carboxyl or sulfonic acid functionalities can be formulated as stable, aqueous, colloidal dispersions by converting them to ionomers in a mixture of water-miscible base, water, organic water-miscible macromolecular compound, water-miscible organic solvent having an affinity for the resin and water-miscible organic co-solvent which is a poor solvent for the resins and a water-immiscible organic diluent, stripping the resultant colloidal dispersion to a total organic solvent content of about 0.2 to about 20% by volume and finally mixing the colloidal dispersion with an acrylic internally crosslinked rheology modifier.

Abstract: A polyester which when made into an article such as films, containers, bottles and the like has a very high clarity, a low haze value, and a neutral hue. In the preparation of the resin, an antimony catalyst is utilized along with small amounts of a bluing agent such as a cobalt compound and a phosphate compound with the phosphate compound generally being slightly in excess of an equivalent amount of the cobalt compound. The polyester is made from dicarboxylic acids and preferably aromatic acids such as terephthalic acid reacted with polyhydric alcohols.