Abstract: A gas storage and dispensing system, including a gas storage and dispensing vessel, holding a physical adsorbent medium having sorptive affinity for the gas, and desorptive thereof under dispensing conditions. The gas may be an organoleptic gas, a gaseous therapeutic agent, or the like. The gas storage and dispensing system may be constructed with the gas storage and dispensing vessel in gas flow communication with a bladder that is actually manually or mechanically actuated to effect compression and release thereof, to achieve pressure differential-mediated desorption of the gas from the physical adsorbent medium, and discharge of desorbed gas from the vessel.

Abstract: This invention provides a novel process for the oxidative coupling of phenolic monomers with novel manganese complexes of phenyl benzoin oximes.

Abstract: Wire coating formulations are provided by heating a mixture of aromatic dianhydride, water and a monoalkyl glycol ether, followed by the addition of organic diamine. The resulting mixture is a stable wire coating enamel capable of forming flexible wire enamels upon cure.

Abstract: Wire coating formulations are provided by heating a mixture of aromatic dianhydride, water and a monoalkyl glycol ether, followed by the addition of organic diamine. The resulting mixture is a stable wire coating enamel capable of forming flexible wire enamels upon cure.

Abstract: Finely divided polyetherimide is provided which can be used in a variety of applications. These oligomers, in the form of fine powders, are particularly useful for coating wire by a power coating technique.

Abstract: Finely divided polyetherimide is provided which can be used in a variety of applications. These oligomers, in the form of fine powders, are particularly useful for coating wire by a powder coating technique.

Abstract: Disclosed is a solution including an aromatic bis (ether dicarboxylic acid) component, an organic diamine component and a solvent system including a water-soluble organic solvent component, which may be a dipolar aprotic solvent or a monoalkyl ether of ethylene glycol or of diethylene glycol, and optionally water. The solution may be coated on a substrate and polymerized to form high quality polyetherimide coatings.

Abstract: An improved substantially solvent-free process for preparing phthalate-moiety based polyesterimide resins, new resins prepared by the process, and substrates (e.g., electrical conductors) coated with compositions comprising the new resins are described.

Abstract: This invention provides a novel process for the oxidative coupling of phenolic monomers with novel manganese complexes of phenyl benzoin oximes.

Abstract: Disclosed is a solution including an aromatic bis (ether dicarboxylic acid) component, an organic diamine component and a solvent system including a water-soluble organic solvent component, which may be a dipolar aprotic solvent or a monoalkyl ether of ethylene glycol or of diethylene glycol, and optionally water. The solution may be coated on a substrate and polymerized to form high quality polyetherimide coatings.

Abstract: This invention is concerned with a new class of polyetheramide-imide phenolic resin blends. More particularly, the invention is concerned with polyetheramide-imide phenolic resin blends which exhibit melt viscosities suitable for solventless-dry powder coating and curing of polyetherimide insulating films on various substrates. The polyetheramide-imide phenolic resin blends are also suitable for the manufacture of filaments, fibers, films, molding compounds, coatings, etc.

Abstract: Disclosed is a process for preparing oligomeric polyetheramide-acid by reacting an aromatic dianhydride component including an aromatic bis(ether anhydride) with an organic diamine in an inert organic liquid selected from methylene chloride, chloroform, 1,2-dichloroethane, and mixtures thereof with acetone. The oligomeric polyetheramide-acid is substantially insoluble in the inert organic liquid, in which the oligomer typically appears as a precipitate which may be recovered in powder or finely divided particulate form without need for grinding.

Abstract: A novel method is disclosed for the preparation of polyphenylene oxides by the oxidative coupling of phenolic monomers which is based on the use of a manganese-vinyl resin complex as a catalyst.

Abstract: Disclosed is a solution consisting essentially of a liquid ether solvent and dissolved therein a polyetheramide-acid-imide prepared by reacting at least one aromatic bis(ether anhydride) with at least one organic diamine. Also disclosed is a process for preparing the solution wherein the reaction is carried out in the ether solvent. The solution may be employed as a wire coating enamel.

Abstract: This invention is concerned with a new class of polyetheramide-imide phenolic resin blends. More particularly, the invention is concerned with polyetheramide-imide phenolic resin blends which exhibit melt viscosities suitable for solventless-dry powder coating and curing of polyether-imide insulating films on various substrates. The polyetheramide-imide phenolic resin blends are also suitable for the manufacture of filaments, fibers, films, molding compounds, coatings, etc.

Abstract: Disclosed is a solution including an aromatic bis (ether dicarboxylic acid) component, an organic diamine component and a solvent system including a water-soluble organic solvent component, which may be a dipolar aprotic solvent or a monoalkyl ether of ethylene glycol or of diethylene glycol, and optionally water. The solution may be coated on a substrate and polymerized to form high quality polyetherimide coatings.

Abstract: This invention is concerned with a new class of polyetheramide-imide epoxy resin blends. More particularly, the invention is concerned with polyetheramide-imide epoxy resin blends which exhibit melt viscosities suitable for solventless-dry powder coating and curing of polyetherimide insulating films on various substrates. The polyetheramide-imide epoxy resin blends are also suitable for the manufacture of filaments, fibers, films, molding compounds, coatings, etc.

Abstract: Disclosed is a solution consisting essentially of a liquid ether solvent and dissolved therein a polyetheramide-acid-imide prepared by reacting at least one aromatic bis(ether anhydride) with at least one organic diamine. Also disclosed is a process for preparing the solution wherein the reaction is carried out in the ether solvent. The solution may be employed as a wire coating enamel.

Abstract: Disclosed is a process for preparing oligomeric polyetheramide-acid by reacting an aromatic dianhydride component including an aromatic bis(ether anhydride) with an organic diamine in an inert organic liquid selected from methylene chloride, chloroform, 1,2-dichloroethane, and mixtures thereof with acetone. The oligomeric polyetheramide-acid is substantially insoluble in the inert organic liquid, in which the oligomer typically appears as a precipitate which may be recovered in powder or finely divided particulate form without need for grinding.

Abstract: An improved extrusion melt polymerization method for continuously making polyetherimides is disclosed wherein a mixture of an organic diamine and an aromatic bis(ether anhydride) is continuously fed through an inlet opening into a screw extruder having a second opening downstream from the inlet opening. The mixture is passed through a first extruder zone maintained at a low temperature to a zone where the mixture is melted and water of reaction is continuously removed through the second opening. A melt seal may be employed between the second opening and a third opening through which water of reaction may be removed under vacuum.