Patents Represented by Attorney William J. Crossetta, Jr.
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Patent number: 4063884Abstract: Normally flammable fabrics, such as fabrics composed of polypropylene and polyamides such as polycaproamides, poly(m-phenyleneisophthalamides) and the like which have been rendered flame proof by the intimate association therewith of a flame proofing amount of a phosphoric acid and reacted in situ with an epoxy compound. The resultant compositions can be washed in water without substantial loss in flame proof character.Type: GrantFiled: December 22, 1975Date of Patent: December 20, 1977Assignee: Hooker Chemicals & Plastics CorporationInventor: George T. Miller
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Patent number: 4049727Abstract: New compounds and a process for the preparation thereof are disclosed of the formula: ##STR1## WHEREIN EACH R is independently halogen or lower alkyl and n is from 2 to 4. These compounds are useful as chemical intermediates and fire retardant additives.Type: GrantFiled: September 10, 1975Date of Patent: September 20, 1977Assignee: Hooker Chemicals & Plastics CorporationInventor: Samuel Gelfand
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Patent number: 4049784Abstract: An improved process for the production of chlorine dioxide wherein an alkali metal chlorate and a mineral acid are reacted in a single vessel, and the resultant alkali metal salt is converted to a more desirable salt in a metathesis column by reaction with an appropriate acid or an alkaline earth or alkali metal, chloride.Type: GrantFiled: May 24, 1976Date of Patent: September 20, 1977Assignee: Hooker Chemicals & Plastics CorporationInventor: Willard A. Fuller
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Patent number: 4048042Abstract: An apparatus is provided for electroplating wire cable having a plastic sheath which has been made conductive. The apparatus comprises a T-tube containing one or more anodes having a geometric configuration which creates an electric field substantially symmetric about any point on the axis of the T-tube along which the cable passes during the plating operation. Means are provided for cathode contact, for advancing the cable through the apparatus, and for maintaining a proper level of plating solution.Type: GrantFiled: January 5, 1976Date of Patent: September 13, 1977Assignee: Hooker Chemicals & Plastics CorporationInventor: Edward J. Quinn
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Patent number: 4045542Abstract: There is provided an improved process for the production of chlorine dioxide wherein an alkali metal chlorate, and hydrochloric acid are reacted in a vessel, and the salt crystals are separated from the generator crystal slurry.Type: GrantFiled: August 6, 1976Date of Patent: August 30, 1977Assignee: Hooker Chemicals & Plastics CorporationInventor: Willard A. Fuller
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Patent number: 4034141Abstract: Brominated phosphoramidates of the structure ##STR1## wherein R.sup.1 and R.sup.2 are independently selected from the group consisting of hydrogen, chloro, bromo, and chloro or bromo substituted alkyl of from 1 to 8 carbon atoms;R.sup.3 is selected from the group consisting of hydrogen, alkyl of from 1 to 8 carbon atoms, hydroxy substituted alkyl of from 1 to 8 carbon atoms and chloro or bromo substituted alkyl of from 1 to 8 carbon atoms;R.sup.4 is independently selected from the group consisting of R.sup.3 and a group of the structure ##STR2## wherein R is selected from the group consisting of alkylene of from 2 to 8 carbon atoms; phenylene, biphenylene and dicyclohexylene; provided that at least one of R.sup.1 and R.sup.2 contains a bromine atom and at least one of R.sup.3 and R.sup.4 contains a replaceable hydrogen.The phosphoramidates of the present invention are useful to impart a flame retardant property to combustible materials.Type: GrantFiled: May 3, 1976Date of Patent: July 5, 1977Assignee: Hooker Chemicals & Plastics CorporationInventors: James J. Duffy, Richard D. Carlson, James C. Watson
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Patent number: 4034069Abstract: A process is disclosed for the preparation of arsenic trifluoride which comprises reacting arsenic trichloride with one or more molten fluoride salts.Type: GrantFiled: August 20, 1975Date of Patent: July 5, 1977Assignee: Hooker Chemicals & Plastics CorporationInventor: M. David Curtis
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Patent number: 4031142Abstract: A process for the production of nuclear chlorinated alkylbenzenes comprises reacting an alkylbenzene with chlorine in the presence of a catalyst system comprising a Lewis acid catalyst and a thianthrene co-catalyst. The nuclear chlorinated alkylbenzene products prepared in this manner are characterized by a substantially reduced ratio of orthochloro to parachloro isomer.Type: GrantFiled: August 1, 1975Date of Patent: June 21, 1977Assignee: Hooker Chemicals & Plastics CorporationInventor: John C. Graham
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Patent number: 4031147Abstract: A process for the production of nuclear chlorinated alkylbenzenes comprises reacting, in the liquid phase, an alkylbenzene with chlorine in the presence of a Lewis acid catalyst and a co-catalyst comprising a thianthrene compound or mixture of thianthrene compounds characterized by the formula: ##STR1## where each n is 0 to 1, and each x is hydrogen or an electron-withdrawing substituent with the proviso that at least one x is an electron withdrawing substituent. The monochlorinated alkylbenzene products prepared in this manner are characterized by a desirably low ratio of ortho to para isomer.Type: GrantFiled: August 1, 1975Date of Patent: June 21, 1977Assignee: Hooker Chemicals & Plastics CorporationInventor: John C. Graham
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Patent number: 4026808Abstract: Normally flammable textile materials are rendered flame retardant by the intimate association therewith of a flame retarding amount of a composition comprising a phosphorus containing N-hydroxy-methyl amide and tetrakis(hydroxymethyl) phosphonium chloride.Type: GrantFiled: July 1, 1974Date of Patent: May 31, 1977Assignee: Hooker Chemicals & Plastics CorporationInventor: James J. Duffy
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Patent number: 4024198Abstract: In the process for the nuclear chlorination of alkylbenzenes, such as toluene, in the presence of a para-directing catalyst system comprising a substantially iron-free Lewis acid catalyst and thianthrene compound co-catalyst, wherein the reaction mixture is in contact with iron or an alloy thereof, the para-directing effect of the catalyst system is improved by the addition of an amide.Type: GrantFiled: August 1, 1975Date of Patent: May 17, 1977Assignee: Hooker Chemicals & Plastics CorporationInventors: Harry E. Buckholtz, Arun C. Bose
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Patent number: 4024308Abstract: Normally flammable fabrics, such as fabrics composed of polypropylene and polyamides such as polycaproamides, poly(m-phenyleneisophthalamides) and the like which have been rendered flame proof by the intimate association therewith of a flame proofing amount of a phosphoric acid are reacted in situ with an epoxy compound. The resultant compositions can be washed in water without substantial loss of flame proof character.Type: GrantFiled: December 22, 1975Date of Patent: May 17, 1977Assignee: Hooker Chemicals & Plastics CorporationInventor: George T. Miller
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Patent number: 4024032Abstract: This invention provides a process for the electrochemical acyloxylation of aromatic compounds ring-substituted with an electron-withdrawing moiety and having a replaceable nuclear hydrogen. An anhydrous liquid comprising the aromatic substrate and the anion of a strong carboxylic acid provided by a strong carboxylic acid or the salt of a strong carboxylic acid is electrolyzed to produce a nuclear-substituted acyloxy derivative of the aromatic substrate wherein the acyloxy group replaces a nuclear hydrogen.Type: GrantFiled: March 31, 1975Date of Patent: May 17, 1977Assignee: Hooker Chemicals & Plastics CorporationInventor: Norman L. Weinberg
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Patent number: 4021474Abstract: Compounds of the formula ##STR1## wherein, X is from 1 to 12; Z is a member selected from the group consisting of --H, --NH.sub.4, alkali metal, lower alkyl and lower hydroxyalkyl; R is a member selected from the group consisting of ethylene, 1,2-propylene, 1,2-butylene, 2,3-butylene, styrlene and mixtures thereof; R' is selected from the group consisting of substituted or unsubstituted alkylene, alkenylene, cycloalkenylene and cycloalkylene moieties containing at least two nuclear carbon atoms and in which any substituent is selected from the group consisting of carboxy, halo and lower alkyl substituents; M is a member selected from the group consisting of hydrocarbon of 1-20 carbon atoms --RO--H, and ##STR2## wherein R, X, R' and Z are as above defined; and p is an integer from 0-1, providing when p is 0, ##STR3## IS HYDROGEN, ARE NON-STAINING OR SLIGHTLY STAINING ANTIOXIDANTS POSSESSING ANTIOZONANT PROPERTIES FOR USE AS ANTIDEGRADANTS IN COMBINATION WITH OXIDIZABLE ORGANIC SUBSTRATES.Type: GrantFiled: December 30, 1974Date of Patent: May 3, 1977Assignee: Hooker Chemicals & Plastics CorporationInventors: Joseph A. Pawlak, Francis J. Bajer
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Patent number: 4018560Abstract: New compounds are disclosed of the formula: ##STR1## wherein R' is phenyl, lower alkenyl and halogen substituted and unsubstituted lower alkyl of 1-6 carbon atoms, m is an integer from 1-2 wherein when m is 2, R is alkoxy of 1-8 carbon atoms and when m is 1, R is alkylene dioxy of 2-8 carbon atoms. The compounds of this invention are useful as flame retardant agents for textile materials and in the production of polymers and copolymers which possess flame retardant properties.Type: GrantFiled: October 1, 1975Date of Patent: April 19, 1977Assignee: Hooker Chemicals & Plastics CorporationInventors: Peter Golborn, James J. Duffy
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Patent number: 4010214Abstract: A process for the preparation of 2,5-dichloro-p-xylene comprises reacting p-xylene with chlorine in the presence of a catalyst system comprising a catalyst selected from the group consisting of halides of iron, halides of antimony and mixtures thereof and a co-catalyst selected from the group consisting of organic sulfur compounds characterized by the presence of divalent sulfur.Type: GrantFiled: February 4, 1975Date of Patent: March 1, 1977Assignee: Hooker Chemicals & Plastics CorporationInventor: Samuel Gelfand
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Patent number: 4009198Abstract: Compounds of the formula ##STR1## wherein, X is from 1 to 12; Z is a member selected from the group consisting of --H, --NH.sub.4, alkali metal, lower alkyl and lower hydroxyalkyl; R is a member selected from the group consisting of ethylene, 1,2-propylene, 1,2-butylene, 2,3-butylene, styrylene and mixtures thereof; R' is selected from the group consisting of substituted or unsubstituted alkylene, alkenylene, cycloalkenylene, arylene and cycloalkylene moieties containing at least two nuclear carbon atoms and in which any substituent is selected from the group consisting of carboxy, halo and lower alkyl substituents; M is a member selected from the group consisting of hydrocarbon of 1-20 carbon atoms, --RO).sub.x H, and ##STR2## wherein R, X, R' and Z are as above defined; and P is an integer from 0-1, providing when p is 0, ##STR3## is hydrogen, are non-staining or slightly staining antioxidants possessing antiozonant properties for use as antidegradants in combination with oxidizable organic substrates.Type: GrantFiled: December 30, 1974Date of Patent: February 22, 1977Assignee: Hooker Chemicals & Plastics CorporationInventors: Joseph A. Pawlak, Francis J. Bajer
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Patent number: 4007082Abstract: An improved process for the treatment of precipitator catch wherein the catch is slurried with water, sufficient carbon dioxide is added to convert the sodium carbonate present to sodium bicarbonate, and sodium chloride is separated from the sodium sulfate and sodium bicarbonate.Type: GrantFiled: August 15, 1975Date of Patent: February 8, 1977Assignee: Hooker Chemicals & Plastics CorporationInventor: Willard A. Fuller
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Patent number: 4006195Abstract: An improved process for the catalytic production of dichlorotoluenes, especially 2,4-dichlorotoluene, formed by reacting para-chlorotoluene with chlorine in the presence of a catalyst to form a mixture of chlorinated toluenes and thereafter separating from said mixture a dichlorotoluene fraction containing 2,4-dichlorotoluene, the improvement comprising reacting para-chlorotoluene in the liquid phase with chlorine gas in the presence of antimony trichloride catalyst. The mixed chlorotoluene product obtained contains in excess of 85% 2,4-dichlorotoluene, which mixture is then treated with a base, catalyst is removed by separation or filtration and the remaining product is distilled to yield a substantially pure 2,4-dichlorotoluene product.Type: GrantFiled: September 10, 1975Date of Patent: February 1, 1977Assignee: Hooker Chemicals & Plastics CorporationInventor: Samuel Gelfand
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Patent number: 4006117Abstract: Compounds of the formula ##STR1## WHEREIN R is selected from the group consisting of ethylene, 1,2 propylene, 1,2 butylene, 2,3 butylene, styrylene and mixtures thereof,x is an integer from 1 to 12,R.sup.1 is substituted or unsubstituted alkyl or aryl,n is an integer from 1 to 3,Each m is a member, selected independently from the group consisting of hydrocarbon of 1 to 20 carbon atoms, --RO-- , --RO-- H and --RO-- P(OR').sub.3.sup.-n,Wherein R, R', n and x are as above described, providing where m is --RO-- , the O-- bond thereof is attached to the phosphorus of an adjacent P(OR') moiety of a common nitrogen, andP is 0 or 1, providing that when p is ##STR2## IS HYDROGEN, ARE DISCLOSED HAVING UTILITY AS NON-STAINING ANTIOXIDANTS.Type: GrantFiled: June 6, 1975Date of Patent: February 1, 1977Assignee: Hooker Chemicals & Plastics CorporationInventors: D. Bruce Merrifield, Joseph A. Pawlak, James G. Colson