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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 4211634 | Two-catalyst hydrocracking process The process comprises contacting a hydrocarbon feedstock containing a substantial amount of organic nitrogen-containing compounds in a first reaction zone under hydrocracking conditions and in the presence of hydrogen with a first catalyst comprising nick... | 07/08/1980 |
| 4204970 | Lubricant compositions containing alkylated aromatic amino acid antioxidants Lubricant compositions containing polymer alkylated aromatic amino acids as antioxidants and a process for the preparation of these amino acids comprising hydrolysis of cyclic keto amides formed from an intramolecular acylation of an imide of an aromatic ... | 05/27/1980 |
| 4201682 | Method of preparing overbased magnesium sulfonates Over-based oil-soluble magnesium sulfonate compositions are formed by one-step carbonation of a reactant mixture containing magnesium hydroxide formed in situ.... | 05/06/1980 |
| 4198350 | Amination/demethylation process This invention relates to the intramolecular oxidation and reduction of aromatic hydrocarbons containing at least one methyl group and a nitro group ortho to the methyl group. Further, it relates to preparing methyl o-amino arylcarboxylates and aromatic a... | 04/15/1980 |
| 4193884 | Amine derivatives of nitrosated high molecular weight alkyl-substituted phenol, and compositions containing the same High molecular weight alkylated phenols, in which the alkyl substituent has an average molecular weight of from about 300 to about 100,000 are nitrosated with nitrous acid anhydride gas, in the presence of an acid catalyst, and the nitrosated product reac... | 03/18/1980 |
| 4192897 | Heat treatment for single-cell materials and resultant products Whole single-cell protein cells possessing improved functional properties are obtained by heat treating said cells at a temperature of from about 215° to about 300° F. for from about 30 seconds to about 25 minutes to inactivate invertase.... | 03/11/1980 |
| 4191635 | Process for the cracking of heavy hydrocarbon streams A heavy hydrocarbon stream containing metals, asphaltenes, nitrogen compounds, and sulfur compounds is (a) contacted with hydrogen and a hydrotreating catalyst containing molybdenum and chromium, either as metals, as oxides, as sulfides, or mixtures there... | 03/04/1980 |
| 4189538 | Method for growing pseudomycelial yeasts and reducing bacterial contamination in a yeast fermentation process Growth of pseudomycelial yeasts and removal of bacterial contamination in conventional fermentation processes are accomplished by withdrawing product as a foam from the fermentor.... | 02/19/1980 |
| 4189458 | Method for converting polymer powder to pellets Thermoplastic polymer particles are converted to pellets by depositing the powder onto a moving platform, melting the particles and transferring the melted polymer to a pelletizer.... | 02/19/1980 |
| 4188817 | Method for detecting membrane leakage Method for detecting leakage of semipermeable membranes or hollow fibers, said membranes or fibers exhibiting salt rejection, which comprises contacting one side of the membrane or fiber with an aqueous salt solution so that purified water will pass acros... | 02/19/1980 |
| 4189556 | Polymerization process In an alpha-olefin polymerization process using a transition metal halide-aluminum alkyl catalyst system, addition of minor, effective amounts of aromatic amines or amine N-oxides substituted with electron withdrawing groups decreases the amount of low mo... | 02/19/1980 |
| 4188299 | Oil soluble dithiophosphoric acid derivatives of mercaptothiadiazoles Compounds having the structures: ##STR1## wherein B is A or a hydrogen and A is R--X; wherein X is ##STR2## M is a Group II metal cation and R is a hydrocarbyl group having about 1 to 100 carbon atoms.... | 02/12/1980 |
| 4188275 | Process for preparing beta-phosphosulfoxy alcohols Beta-phosphosulfoxy alcohols and preparation thereof by reacting an olefinically unsaturated compound and a poly-thiophosphoric acid with oxygen using actinic radiation as an energy source at a temperature of from -10° to 70° C., preferably in the prese... | 02/12/1980 |
| 4188274 | Process for trifluoromethylation of aromatic and heterocyclic compounds A decarboxylation process for coupling aromatic compounds wherein cyclic hydrocarbons and heterocyclic compounds having at least one labile ring hydrogen are reacted with the mono silver salts of aromatic carboxylic acids, or mono silver salts of unsatura... | 02/12/1980 |
| 4188253 | Machine for the fabrication of plasticboard Method and machine for fabricating plasticboard wherein areas of bonding are created with localized heating and pressure.... | 02/12/1980 |
| 4188284 | Process for the hydrotreating of heavy hydrocarbon streams The process comprises contacting a heavy hydrocarbon stream containing metals and asphaltenes to reduce the contents of nitrogen compounds, sulfur compounds, metals and asphaltenes in the hydrocarbon stream under suitable conditions and in the presence of... | 02/12/1980 |
| 4187261 | Vinyl aromatic polymerization process Limiting final conversion of monomer to polymer in a multiple stage, vinyl aromatic-rubber mass polymerization system to about 50 to about 89 percent produces a polymer with increased impact strength and decreases residence time, thereby increasing the pr... | 02/05/1980 |
| 4186082 | Hydrocarbon process for increasing the concentration of normal cis olefins Process for increasing the concentration of normal cis olefins in a hydrocarbon composition with pre-treated molecular sieves which have been heated to a temperature of from 400° to 500° F. for a period of about 1 to 6 hours to reach the water-zeolite e... | 01/29/1980 |
| 4186263 | Injection moldable amide-imide terpolymers containing divalent aromatic quinone radicals Novel terpolymers of the amide-imide type are prepared from tricarboxylic-acid-anhydride derivatives, aromatic diamino quinones and two other wholly-aromatic primary diamines. The novel terpolymers are useful for preparing molded articles of superior prop... | 01/29/1980 |
| 4185073 | Apparatus for iso- or terephthalic acid production in and recovery from benzoic acid-water solvent system Continuous production of iso- or terephthalic acid in a stirred reaction zone by catalytic air oxidation of m- or p-xylene in the presence of a benzoic acid-water liquid solvent system at constant gauge pressure within the range of 7 to 21 kg/cm2 | 01/22/1980 |
| 4184987 | Stabilizing additives for polyolefins Partial esters of polyhydroxy compounds and combinations thereof with organophosphorus compounds have been found to be effective stabilizers for polyolefins made in processes wherein such polymers are not subjected to extensive removal of process produced... | 01/22/1980 |
| 4185008 | Flame retardant compositions This invention relates to thermoplastic resin compositions having improved oxygen index values comprising a thermoplastic resin, a nitrate containing compound and a halogenated organic compound.... | 01/22/1980 |
| 4182847 | Monomers for poly(methylenebenzoate) polymers from toluic acid compounds Highly-purified monomers for poly(p-methylenebenzoate) polymers and poly(m-methylenebenzoate) polymers are prepared by purifying acetoxylated hydroxymethylbenzoic acid compounds derived by side-chain acetoxylation of toluic acid compounds. The purificatio... | 01/08/1980 |
| 4182777 | Co-dried yeast whey food product and process Protein containing food products are prepared by a process in which yeast is codried with whey. The codried yeast-whey food is suitable for human foods. Preparations containing yeast-whey product do not have a yeast character or flavor in some food applic... | 01/08/1980 |
| 4181602 | Process for the hydrotreating of heavy hydrocarbon streams The process comprises contacting a heavy hydrocarbon stream under suitable conditions and in the presence of hydrogen with a catalyst comprising a hydrogenating component selected from the group consisting of (1) molybdenum, chromium, and a small amount o... | 01/01/1980 |
| 4178987 | Moving bed hydride/dehydride systems Moving bed hydride heat pumps and pressure pumps are described in which a hydride-forming material is transported between two or more reactor vessels. Each vessel can be maintained at a predetermined temperature, and thus, the hydride-forming material may... | 12/18/1979 |
| 4178435 | Recovery process for branched polyphenylene An improved method for separating branched polyphenylene from a polymerization reaction mixture is disclosed which improves polymer properties. The contents of a high pressure polymerization reactor are discharged into one or more devolatilizing units whi... | 12/11/1979 |
| 4178391 | Process for improving the functional properties of protein material Protein-containing materials are treated at specified temperature and pH conditions for a suitable length of time to yield products which replace material such as egg solids and nonfat dry milk.... | 12/11/1979 |
| 4177219 | Process for selective ethyl scission of ethylaromatics to methylaromatics Ethyl aromatics contained in the C9 aromatic fraction from fractionated reformate are selectively converted to xylenes via ethyl scission in the presence of a catalyst comprising a carrier of highly purified gamma alumina containing essentially... | 12/04/1979 |
| 4176048 | Process for conversion of heavy hydrocarbons Heavy hydrocarbon streams containing asphaltenes are hydrocracked in a first hydrocracking zone and asphaltenes are removed from the liquid effluent to form a deasphaltened liquid feed to a second hydrocracking zone.... | 11/27/1979 |
| 4176097 | Asbestos-free tape sealant An asbestos-free sealant composition comprises cotton fiber, amorphous polypropylene and butyl rubber incorporated into a base stock comprising an inorganic filler and a suitable binder.... | 11/27/1979 |
| 4175071 | Titanium dioxide as a U.V. screen in fire retardant vinyl polymers Titanium dioxide, incorporated into vinyl polymers which contain halogenated organic compounds, screens ultraviolet radiation and thus reduces halogen discoloration.... | 11/20/1979 |
| 4174974 | Process for converting coal ash slag into portland cement Disclosed is a manufacturing process for converting coal ash slag from a slagging coal gasifier into a marketable cement product having the characteristics and qualities of portland cement. This process comprises the steps of transferring molten slag from... | 11/20/1979 |
| 4172781 | Waste water process for treatment of strong wastes Disclosed is a waste water process for the treatment of strong wastes. Generally the process comprises an activated sludge process for the purification of waste water comprising: feeding the waste water to a first aeration zone wherein oxygen is introduce... | 10/30/1979 |
| 4172813 | Process for selectively hydrodealkylating/transalkylating heavy reformate Fractionated heavy reformate containing ethyltoluenes and propylbenzenes is selectively hydrodealkylated and transalkylated to produce ethylbenzene-lean xylenes, benzene and C2 -C4 paraffins in the presence of a catalyst comprising a... | 10/30/1979 |
| 4171290 | Catalyst for selective hydrocracking of alkylbenzenes Catalyst composition comprising highly purified alumina containing essentially no silica with a surface area of at least 100 m2 /g and up to 5% rhodium and up to 10% zinc.... | 10/16/1979 |
| 4171343 | Startup procedure for the synthesis of ammonia An improved startup procedure for the synthesis of ammonia in which preheated feed streams of desulfurized hydrocarbon gas, steam and air are routed through an ammonia train having a primary and secondary reformer, a high and low temperature CO shifter, a... | 10/16/1979 |
| 4171284 | Catalyst system A propylene polymerization catalyst is formed by incorporation into a catalytic mixture, comprising a transition metal compound and an organoaluminum compound, effective amounts of hexavalent sulfur mineral acid or anhydride whereby the amount of n-hexane... | 10/16/1979 |
| 4170562 | Phenol modified mannich reaction products from oxidized polymers The invention provides a process for the Mannich condensation reaction of oxidized olefinic polymers. The condensation reaction is carried out in the presence of about 0.01 to 25.0 weight percent of an oil soluble phenol based on the neat polymer. The phe... | 10/09/1979 |
| 4169506 | In situ retorting of oil shale and energy recovery Disclosed is a process for the in situ retorting of oil shale and energy recovery from generated off gases. An underground retort containing rubblized oil shale is subjected to retorting, thereby forming shale oil and off gases. The off gases are purified... | 10/02/1979 |
