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| Number | Title | Issue Date |
| 4430491 | Poly(ether-amide) polymeric compositions Thermoplastic and thermoset polymeric compositions, having particular utility in the area of molding applications, are obtained by reacting a compound containing a plurality of oxazoline groups with a phenol or a phenolic resin each containing a plurality... | 02/07/1984 |
| 4410461 | Production of benzylic esters A catalytic homogeneous liquid phase process for effecting the acyloxylation of toluene to produce the corresponding benzylic ester. The catalyst system comprises Pd(II) and Pb(II) values wherein the palladous element component is associated with a cataly... | 10/18/1983 |
| 4394528 | High energy fuel compositions A high density liquid hydrocarbon fuel composition singularly suited for propelling turbojet limited volume missile systems designed for shipborne deployment. The contemplated fuels are basically composed of the saturated analogues of dimers of methyl cyc... | 07/19/1983 |
| 4393034 | Energy efficient process for the production of carbon black Method for the production of carbon black by an oil furnace process whereby an aromatic feedstock is pyrolytically dissociated into carbon black by contact with a turbulent mixture of combustion gases generated in burning a gaseous fuel in the presence of... | 07/12/1983 |
| 4374229 | Thermosetting resinous molding compositions A thermosetting resinous composition characterized in constituting at least two oligomeric polyester segments terminally joined through a polyurethane residue and having end groups containing polymerizable unsaturation. Further disclosed are the thermoset... | 02/15/1983 |
| 4374268 | Catalytic oxydehydrogenation process Isobutyric acid or a functional equivalent; e.g., a lower alkyl ester is oxidatively dehydrogenated to effect the vapor phase conversion thereof to the corresponding ,ଲ-ethylenically unsaturated derivative by contact with a heterogeneous cata... | 02/15/1983 |
| 4372934 | Production of isocyanic acid Isocyanic acid is formed directly from nitric oxide, carbon monoxide and hydrogen by contacting a supported bifunctional iridium or rhodium metal catalyst at an elevated temperature with a feed stream of said reactants.... | 02/08/1983 |
| 4372933 | Production of isocyanic acid Isocyanic acid is formed directly from nitric oxide, carbon monoxide and hydrogen by contacting a supported iridium or rhodium metal catalyst at an elevated temperature with a feed stream of said reactants.... | 02/08/1983 |
| 4367351 | High density fuel compositions A high density specialty fuel for propelling limited volume ramjet and turbojet missile systems comprising a blend of at least 70 weight percent of exotetrahydrodicyclopentadiene and a correspondingly minor amount of a combination of a mixture of C5 | 01/04/1983 |
| 4355194 | Method for preparing high density liquid hydrocarbon fuels A method for catalytically isomerizing a mixture of hexacyclic dimers obtained by dimerizing norbornadiene in the presence of a zero valent iron complex whereby the hydrogenated derivatives of the resultant isomerization product exhibits substantially low... | 10/19/1982 |
| 4353841 | Aromatic isocyanate preparation An aromatic isocyanate is formed directly from an aromatic hydrocarbon, nitric oxide and carbon monoxide by contacting a Group VII or Group VIII metal catalyst at a temperature between 350° and 550° C. with a feed stream of said reactants.... | 10/12/1982 |
| 4320238 | High density turbine fuel A high density fuel composition having low temperature operational capability for propelling turbo-jet, limited volume missile systems consisting essentially of at least 95 weight percent exo-tetrahydrodicyclopentadiene (JP-10) and a correspondingly minor... | 03/16/1982 |
| 4303594 | Process for the production of isobutyric acid anhydride A process for the production of isobutyric acid anhydride in which propylene is initially carbonylated in the presence of a substantial molar excess of liquid anhydrous hydrogen fluoride to provide a reaction mixture of isobutyroyl fluoride and unreacted ... | 12/01/1981 |
| 4302397 | Preparation of furfuryl alcohol from furfural A copper chromite catalyst having improved activity is prepared by forming a basic copper ammonium chromate complex in a known manner. The complex is decomposed by sintering at temperatures near 300° C. to yield a copper chromite catalyst of improved act... | 11/24/1981 |
| 4299980 | Catalytic oxydehydrogenation process Isobutyric acid or a functional equivalent, e.g., a lower alkyl ester is oxidatively dehydrogenated to effect the vapor phase conversion thereof to the corresponding ,ଲ-ethylenically unsaturated derivative by contact with a heterogeneous cata... | 11/10/1981 |
| 4298755 | Catalytic oxydehydrogenation process Isobutyric acid or a functional equivalent, e.g., a lower alkyl ester is oxidatively dehydrogenated to effect the vapor phase conversion thereof to the corresponding ,ଲ-ethylenically unsaturated derivative by contact with a heterogeneous cata... | 11/03/1981 |
| 4293480 | Urethane binder compositions for no-bake and cold box foundry application utilizing isocyanato-urethane polymers Foundry cores and molds for casting metals are prepared by forming a binder comprising a polyol, an isocyanato urethane polymer and a urethane catalyst. The foundry cores and molds of this invention are formed by processes known in the industry as the "co... | 10/06/1981 |
| 4286109 | High density fuel compositions A high density specialty fuel for propelling limited volume ramjet and turbojet missile systems comprising a blend of at least 70 weight percent of exotetrahydrodicyclopentadiene and a correspondingly minor amount of a combination of a C5 -C | 08/25/1981 |
| 4277636 | Process for preparing high density fuels Method for effecting the formation of co-trimers of cyclopentadiene and methylcyclopentadiene whereby a mixture of the dimers of said dienes is heated in the presence of an inert solvent. The foregoing method is implemented to provide a high energy fuel b... | 07/07/1981 |
| 4273179 | Phenolic resin-polyisocyanate binder systems containing dibasic ester solvents Dibasic esters and blends of dibasic esters, particularly diethyl malonate, dimethyl adipate, dimethyl glutarate and dimethyl succinate are used as part or all of the solvent in solvent systems for two-package resin compositions comprising a phenolic resi... | 06/16/1981 |
| 4270983 | Liquid-liquid extraction of isobutyric acid from aqueous HF solutions thereof A method for recovering isobutyric acid from a solution thereof in concentrated aqueous hydrogen fluoride, the latter having served as the reaction medium for effecting the carbonylation of propylene. The method features the partial removal of anhydrous h... | 06/02/1981 |
| 4251396 | Copper chromite catalyst for preparation of furfuryl alcohol from furfural A copper chromite catalyst having improved activity is prepared by forming a basic copper ammonium chromate complex in a known manner. The complex is decomposed by sintering at temperatures near 300° C. to yield a copper chromite catalyst of improved act... | 02/17/1981 |
| 4149863 | Bag filter apparatus A fiberglass bag filtering unit adapted for use in filtering gaseous streams containing suspended solid particulates wherein a reverse flow of compressed air is utilized during the cleaning cycle, said unit featuring the advantage of being conveniently ad... | 04/17/1979 |
| 4104478 | Catalytic hydrogenation of fatty acids A fatty acid is converted to the corresponding carbon length alcohol by the liquid phase hydrogenation of the carboxylic acid in the presence of a co-catalyst system consisting essentially of activated rhenium metal in combination with an extrinsic metal ... | 08/01/1978 |
| 4071554 | Method for the preparation of N,N-dialkyl hydrazides A method for the preparation of N,N-dialkyl derivatives of mono- and diacyl hydrazines wherein the corresponding unsubstituted acid hydrazide is reductively alkylated with an aldehyde.... | 01/31/1978 |
| 4067830 | Catalytic trimerization of polyisocyanates Compounds (aminimides) of the class wherein a negatively charged nitrogen atom of an acylamide is directly bonded to a cationic nitrogen atom having one hydroxyethyl and two methyl substituents represent uniquely effective catalysts for the trimerization ... | 01/10/1978 |
| 4067802 | Ion exchange process for the purification of base metal electrolyte solutions A co-reagent system in the form of an admixture of a metal chelation collector and a mono- or dialkyl substituted phosphoric acid is adapted for selectively removing ferric iron from base metal electrolytic solutions in accordance with the liquid-liquid i... | 01/10/1978 |
| 4066533 | Separation of catalyst from effluent of a fluidized catalytic hydrocarbon conversion process A method for disengaging catalyst particulates from the effluent of a riser tube in the operation of a FCC unit. The catalyst component of the resultant ascending fluid stream is propelled from the riser tube into the catalyst disengaging or collection ch... | 01/03/1978 |
| 4018878 | Process for producing carbon black The oil furnace process for the production of tread grade rubber reinforcing carbon black is modified in respect of the manner in which a carbon black producing feedstock oil is introduced into the cracking zone so as to facilitate the formation of carbon... | 04/19/1977 |
