Holt; H. J. - US Patent Attorneys and Agents

Attorney: Holt; H. J.

Number of patents: 34
Last date: March 30, 1982

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Number	Title	Issue Date
4322500	Potassium fluoroborate silicate glasses A potassium fluoro-borate glass, including silica and optionally alumina, containing at least 20 mole % potassium computed as K2 (O,F2), and wherein there are more fluorine atoms in the glass than oxygen atoms. The range of compositi...	03/30/1982
4302252	Solvent system for cellulose Cellulose is activated by penetration of the cellulose with a polar medium and mixed at a temperature at which no significant degradation occurs with an amide selected from the group consisting of dimethylacetamide, 1-methyl-2-pyrrolidinone and mixtures t...	11/24/1981
4295929	Process for acid sulfite digestion of wood The production of chemical pulp by the acid sulfite digestion process is improved by increasing the ratio by weight of combined SO2 to wood to a range of from 4 to 12 (based on one part of combined SO2 to 100 parts of dry wood) and b...	10/20/1981
4162359	Production of cellulose acetate Cellulose acetate is produced by subjecting highly purified cellulosic dissolving pulp to a bleaching sequence including at least one alkaline extraction stage and acetylating the bleached pulp to convert the pulp to cellulose acetate. The yellowness inde...	07/24/1979
4155804	Removal of volatile organic components from spent sulfite effluent Volatile organic components are removed from the effluent liquor of an acid sulfite digestion process by concentrating the effluent liquor in multiple stages to form an organic-rich aqueous fraction, an organic-lean aqueous fraction and a high solids cont...	05/22/1979
4131705	Structural laminate A structural laminate having a groove impressed on its surface useful as an external siding. The laminate comprises an outer wood face veneer, the grain of which is oriented along a given direction, and at least two particle board plies, the particle boar...	12/26/1978
4128693	Wire coated with fluorocarbon blend A composition comprising a blend of (a) from 55 to 95% by weight of a tetrafluoroethylene polymer and (b) from 5 to 45% by weight of a copolymer of tetrafluoroethylene and an ether of the formula CF2 .dbd.CF--O--R, wherein R is a perfluoroalkyl...	12/05/1978
4123398	Flame resistant cellulosic product containing antimony pentoxide and polyvinyl bromide A regenerated cellulosic product is made flame resistant by the addition to the cellulosic solution from which the product is regenerated of from 3 to 7% by weight of colloidal antimony pentoxide and from 5 to 30% by weight of polyvinyl bromide....	10/31/1978
4122146	Flexible shell of plasticized polyvinyl chloride A unitary, three-dimensional flexible shell of plasticized polyvinyl chloride of substantially uniform thickness. The shell is produced by spraying a thin layer of a polyvinyl chloride plastigel comprising a dispersion of polyvinyl chloride in a plasticiz...	10/24/1978
4078114	Wire coated with diallyl esters of dicarboxylic acids Diallyl esters of dicarboxylic acids are provided corresponding to the formula: ##STR1## wherein R is an organic radical containing from 4 to 20 carbon atoms and is selected from the group consisting of alkyl radicals, cycloalkyl radicals, mixed...	03/07/1978
4076933	Process for producing a regenerated shaped cellulosic fiber Shaped cellulosic fibers are produced by nitrosating and dissolving a cellulosic material in an aprotic solvent selected from the group consisting of a dialkylacylamide and dimethylsulfoxide and regenerating the dissolved cellulose by contacting the cellu...	02/28/1978
4076932	Process for producing regenerated cellulosic articles Regenerated cellulosic articles are produced by nitrosating and dissolving cellulose in a dialkylacylamide solvent, such as dimethylformamide, and regenerating the dissolved cellulose by passing into a coagulant bath. The coagulant comprises water or a 1 ...	02/28/1978
4073660	Recovery of chemical components of cellulosic regenerating solution Recovery of the chemical components of a cellulosic organic solvent regenerating solution containing a dialkylacylamide, water, nitrous and nitric acid. The process comprises neutralizing the solution to form the metal salts of nitrous and nitric acid, di...	02/14/1978
4064166	Etherification of bark extracts A derivative of coniferous tree barks is produced by reacting at elevated temperatures an alkaline polyphenolic solution of a coniferous bark extract in the proportion of from 0.1, and preferably from 0.5 to 8.0 moles of a carbonyl-activated halocompound ...	12/20/1977
4056675	Process for producing regenerated cellulosic fibers Regenerated cellulosic fibers of improved resistance to alkaline treatment are produced by nitrosating and dissolving from 5 to 14% by weight of a cellulosic material in a dialkylacylamide solvent while said solution is maintained at a temperature no grea...	11/01/1977
4051003	Curable compositions diallyl esters of dicarboxylic acids and fluoropolymers Diallyl esters of dicarboxylic acids are provided corresponding to the formula: ##STR1## wherein R is an organic radical containing from 4 to 20 carbon atoms and is selected from the group consisting of alkyl radicals, cycloalkyl radicals, mixed...	09/27/1977
4044090	Process for producing regenerated cellulosic product A regenerated cellulosic product is produced by nitrosating and dissolving a cellulosic material in a solution comprising a dialkylacylamide solvent and adding from 2 to 25% by weight, based on the weight of the solution, of a tertiary amine to form a sol...	08/23/1977
4039508	Polymeric composition containing mercaptoquinazolone antioxidant Polymeric compositions contain as an antioxidant therefor a mercaptoquinazolone of the formula ##STR1## in which R is allyl or methallyl. The antioxidant forms a covalent bond with the polymer upon crosslinking of the latter and thereby antioxidant ...	08/02/1977
4032074	Material spreader A material spreader for the uniform distribution to the soil or to vegetation of particulate material such as fertilizers, pesticides or seeds. The material spreader comprises a hopper for particulate material adapted to be advanced along a given directio...	06/28/1977
4031167	Crosslinking fluorocarbon compositions using polyallylic esters of polycarboxylic acids A crosslinking composition comprising a blend of at least two polyallylic esters of polycarboxylic acids, one of said esters being a diallylic ester of an alkylene, cycloalkylene, mixed alkylene-cycloalkylene or aralkylene dicarboxylic acid, the other of ...	06/21/1977
4028471	Yeast leavened dough composition A yeast leavened dough composition containing, for each 100 parts by weight of flour, an additive comprising from 0.0020 to 0.0120 parts by weight of a peroxide oxidizing agent and from 0.0025 to 0.090 parts by weight of either sorbic acid or a sodium, po...	06/07/1977
4028464	Fungicide compositions for the control of snowmold A fungicide composition for the control of plant disease comprising (a) a substituted methoxybenzene and (b) a benzimidazolecarbamate or a compound which breaks down upon application to plants to form a benzimidazolecarbamate, the ratio by weight of the m...	06/07/1977
4022631	Process for producing regenerated cellulosic articles Cellulosic articles are regenerated from a cellulosic solution formed by the addition of cellulosic material to dimethyl sulfoxide and formaldehyde or paraformaldehyde by contacting the cellulosic solution with an aqueous solution having a pH greater than...	05/10/1977
4002457	Soil conditioners and fertilizers from spent sulfite liquor Spent sulfite liquor is converted into a nitrogen containing water insoluble product useful as a soil conditioner and fertilizer. The spent sulfite liquor is heated at a temperature of 170° to 260° C to form a partially pyrolyzed water insoluble materia...	01/11/1977
3996413	Sheathed stranded cable completely filled with water blocking composition A water blocking compound for sheathed stranded cables, the compound being a gel consisting of a major proportion by weight of a substantially non-volatile liquid in which has been dispersed a minor proportion by weight of a solid gellant which is insolub...	12/07/1976
3995091	Wire coated with a fluorocarbon polymer cross-linked with esters of sulfonyl dibenzoic acid Esters of sulfonyl dibenzoic acid of the formula ##SPC1## In which R1 and R2 are selected from the group consisting of allyl and methallyl. The compounds are useful as additives to accelerate the crosslinking of polymeric materials....	11/30/1976
3988198	Method for treating hemi caustic effluents Spent hemi caustic effluents from cold caustic extraction of cellulosic pulps are rendered utilizable as a source of sodium hydroxide for pulp processing by heating the effluents for a period of time and at a temperature sufficient to cause the hemicellul...	10/26/1976
3985667	Process and composition for drilling shale formation in sea water A process and composition for drilling a well through shale formation in sea water with an aqueous drilling mud comprising a clay -- sea water slurry containing a potassium salt of lignosulfonate. The lignosulfonate is prepared by reaction of potassium hy...	10/12/1976
3985716	Esters of sulfonyl dibenzoic acid Esters of sulfonyl dibenzoic acid of the formula ##SPC1## In which R1 and R2 are selected from the group consisting of allyl and methallyl. The compounds are useful as additives to accelerate the crosslinking of polymeric materials....	10/12/1976
3984225	Soil conditioners and fertilizers from spent sulfite liquor Spent sulfite liquor is converted into a nitrogen containing, water insoluble product useful as a soil conditioner and as a slow-release fertilizer. The spent sulfite liquor is reacted at a temperature of from 170° to 250°C with hexamethylenetetramine o...	10/05/1976
3970770	Wire coated with fluorocarbon polymers cross-linked with dialyl ester of 4,4'-dicarboxydiphenyl ester The diallyl ester of 4,4'-dicarboxydiphenyl ether acts as an accelerator for the crosslinking of fluorocarbon polymers. The crosslinked polymers are particularly useful as electrical insulation coatings....	07/20/1976
3968239	Fungicidal compositions containing a phthalonitrile A fungicide composition particularly effective for the control of leafspot and dollarspot comprising a mixture in granular form of (a) a phthalonitrile of the formula ##SPC1## Wherein each X is selected from the group consisting of hydrogen, chlorine, ...	07/06/1976
3966708	Aminated sulfite derivatives of coniferous barks Polyphenolic components of coniferous tree barks are reacted with a concentrated aqueous solution containing ammonia and sulfur dioxide to produce aminated sulfite reaction products having high nitrogen contents. The products have a number of valuable app...	06/29/1976
3963118	Fertilizer composition containing ferrous salt The pick-up of free moisture by particulate fertilizer compositions containing a ferrous salt is reduced by the addition to the compositions of relatively small amounts of anhydrous magnesium sulfate....	06/15/1976

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Attorney: Holt; H. J.