Patents Represented by Attorney William A. Simons
  • Patent number: 5284737
    Abstract: A radiation-sensitive composition comprising an admixture in a solvent of: at least one alkali-soluble binder resin, at least one photoactive compound and an effective absorbance increasing amount of BLANKOPHOR FBW actinic dye; the amount of said binder resin being about 60 to 95% by weight, the amount of said photoactive component being about 5% to about 40% by weight, based on the total solids content of said radiation-sensitive composition.
    Type: Grant
    Filed: August 19, 1993
    Date of Patent: February 8, 1994
    Assignee: OCG Microelectronic Materials, Inc.
    Inventors: Tripunithura V. Jayaraman, David J. Brzozowy
  • Patent number: 5285244
    Abstract: An improved color printing method and the apparatus for employing the method are provided for continuously superimposing a plurality of separate color toner images onto a common conductive intermediate transfer belt from a plurality of developing drums across a liquid filled gap to form a single full color image. The separate colors have masters mounted to the developing drums and the superimposed full color image is contact transferred with the aid of heat and pressure from the conductive intermediate transfer belt to the final receiving paper substrate after all of the liquid has been removed from the superimposed full color image.
    Type: Grant
    Filed: November 4, 1991
    Date of Patent: February 8, 1994
    Assignee: Olin Hunt Specialty Products, Inc.
    Inventor: David P. Bujese
  • Patent number: 5282935
    Abstract: A bipolar water ionizing electrode and a process employing such an electrode in an electrodialytic cell are disclosed. The cell has a plurality of ion exchange compartments separated by cation permselective membranes and the bipolar water ionizing electrode. The bipolar electrode is permeable to gas and electric current and impervious to liquid.
    Type: Grant
    Filed: April 13, 1992
    Date of Patent: February 1, 1994
    Assignee: Olin Corporation
    Inventors: David W. Cawlfield, Jerry J. Kaczur
  • Patent number: 5283374
    Abstract: A radiation-sensitive composition comprising an admixture in a solvent of: at least one alkali-soluble binder resin, at least one photoactive compound and an effective sensitivity enhancing amount of at least one compound of formula (I): ##STR1## wherein each R is individually selected from the group consisting of hydrogen and a lower alkyl group having 1-4 carbon atoms and each n is 0, 1, or 2; the amount of said binder resin being about 60 to 95% by weight, the amount of said photoactive component being about 5% to about 40% by weight, based on the total solids content of said radiation-sensitive composition.
    Type: Grant
    Filed: April 5, 1993
    Date of Patent: February 1, 1994
    Assignee: OCG Microelectronic Materials, Inc.
    Inventor: Alfred T. Jeffries, III
  • Patent number: 5279338
    Abstract: A modular automatic refill system using a plurality of individual microprocessor controlled modules to control a plurality of liquid chemical temperature controllers is provided wherein replenishing liquid chemical is automatically supplied from a chemical bulk supply unit to a plurality of bubbler ampules in the corresponding liquid chemical temperature controllers based on sensed level depths in a manner that avoids contamination of the replenishing chemical and permits separate and independent operation of the individual microprocessor controlled modules.
    Type: Grant
    Filed: April 27, 1992
    Date of Patent: January 18, 1994
    Assignee: Olin Hunt Specialty Products, Inc.
    Inventor: Dirk Goossens
  • Patent number: 5279743
    Abstract: A process for the separation of a mixture of zinc and manganese oxides by adding the mixture to a chloric acid solution whereby the chloric acid solution oxidizes solid manganese oxide to solid manganese dioxide and causes the zinc oxide to dissolve into soluble zinc ions. The solid manganese dioxide is then separated from the chloric acid solution containing zinc ions.
    Type: Grant
    Filed: December 7, 1992
    Date of Patent: January 18, 1994
    Assignee: Olin Corporation
    Inventors: Leslie R. O. Ward, David W. Cawlfield
  • Patent number: 5278021
    Abstract: A radiation sensitive mixture comprising an alkali-soluble binder resin and at least one photoactive compound comprising a compound of formula (I): ##STR1## wherein each R is individually selected from hydrogen and a lower alkyl group having 1 to 4 carbon atoms; n is either 0, 1, or 2; and D is selected from the group consisting of hydrogen or o-naphthoquinone diazide sulfonyl group; with the proviso that at least two D's are o-naphthoquinone diazide sulfonyl groups, and wherein the amount of said binder resin is about 70 to 95% by weight and the amount of photoactive compound being from about 5 to about 30% be weight, based on the total solids content of said content of said raditional-sensitive mixture.
    Type: Grant
    Filed: April 5, 1993
    Date of Patent: January 11, 1994
    Assignee: OCG Microelectronic Materials, Inc.
    Inventors: Alfred T. Jeffries, III, Medhat A. Toukhy
  • Patent number: 5276126
    Abstract: A method of planarizing topographical features on a substrate for subsequent coating of a radiation sensitive composition thereon comprising:(1) applying thereover a coating of a planarizing coating layer comprising a planarization layer of novolak resin made by the condensation reaction of an aldehyde source with a phenolic monomeric source comprising at least 25 mole percent of ortho-secondary butyl phenol and a suitable solvent; and(2) heating said coated substrate to remove essentially all of said solvent therefrom and cause said coating to reflow, thereby planarizing the topographical features.
    Type: Grant
    Filed: February 8, 1993
    Date of Patent: January 4, 1994
    Assignee: OCG Microelectronic Materials, Inc.
    Inventor: Robert F. Rogler
  • Patent number: 5275906
    Abstract: Described herein is a liquid color composition containing a resin binder and a plasticizer which is compatible with the binder. The toner is very transparent and produces excellent quality images when used in xeroprinting processes.
    Type: Grant
    Filed: April 27, 1992
    Date of Patent: January 4, 1994
    Assignee: Olin Corporation
    Inventor: Peter E. Materazzi
  • Patent number: 5275909
    Abstract: A radiation-sensitive composition comprising an admixture in a solvent of: at least one alkali-soluble binder resin, at least one photoactive compound and an effective absorbance increasing amount of BLANKOPHOR FBW actinic dye; the amount of said binder resin being about 60 to 95% by weight, the amount of said photoactive component being about 5% to about 40% by weight, based on the total solids content of said radiation-sensitive composition.
    Type: Grant
    Filed: June 1, 1992
    Date of Patent: January 4, 1994
    Assignee: OCG Microelectronic Materials, Inc.
    Inventors: Tripunithura V. Jayaraman, David J. Brzozowy
  • Patent number: 5258265
    Abstract: A radiation-sensitive mixture useful as a negative-working photoresist composition comprising:(a) at least one novolak resin; and(b) a photoactive benzannelated acetic acid selected from formula (I): ##STR1## wherein X is either an oxygen, sulfur or --C--H.sub.2.
    Type: Grant
    Filed: November 23, 1992
    Date of Patent: November 2, 1993
    Assignee: Olin Corporation
    Inventors: Sydney G. Slater, Stanley A. Ficner
  • Patent number: 5258260
    Abstract: A radiation-sensitive mixture useful as a negative-working photoresist composition comprising:(a) at least one novolak resin; and(b) a photoactive benzennelated acetic acid selected from formula (I): ##STR1## wherein X is either an oxygen, sulfur or --C--H.sub.2.
    Type: Grant
    Filed: November 23, 1992
    Date of Patent: November 2, 1993
    Assignee: Olin Corporation
    Inventors: Sydney G. Slater, Stanley A. Ficner
  • Patent number: 5258409
    Abstract: A sanitizing composition for aqueous solutions comprising an dialiphatic dimethylammonium salt having an effective bactericidal activity at a concentration below about 50 ppm by weight in the medium to be sanitized during a maximum contact time not exceeding 60 seconds.
    Type: Grant
    Filed: February 24, 1992
    Date of Patent: November 2, 1993
    Assignee: Olin Corporation
    Inventor: Walter A. Gay
  • Patent number: 5256521
    Abstract: A radiation-sensitive composition comprising an admixture in a solvent of: at least one alkali-soluble binder resin, at least one photoactive compound and an effective sensitivity enhancing amount of at least one tris (hydroxyphenyl) lower alkane compound; the amount of said binder resin being about 60% to 95% by weight, the amount of said photoactive component being about 5% to about 40% by weight, based on the total solids content of said radiation-sensitive composition.
    Type: Grant
    Filed: February 1, 1993
    Date of Patent: October 26, 1993
    Assignee: OCG Microelectronic Materials, Inc.
    Inventor: Tripunithura V. Jayaraman
  • Patent number: 5254440
    Abstract: A methylol-substituted trihydroxybenzophenone of the formula (I): ##STR1## This methylol-substituted trihydroxybenzophenone may be reacted with selected phenolic monomers during or after the formation of a phenolic novolak resin thereby said resin having at least one unit of formula (II): ##STR2## wherein R and R.sub.1 are individually selected from hydrogen, a lower alkyl group having 1 to 4 carbon atoms or a lower alkoxy group having 1 to 4 carbon atoms.
    Type: Grant
    Filed: September 30, 1992
    Date of Patent: October 19, 1993
    Assignee: OCG Microelectronic Materials, Inc.
    Inventor: Medhat A. Toukhy
  • Patent number: 5250653
    Abstract: A phenolic novolak resin composition comprising a condensation product of at least one aldehyde source with a phenolic source comprising 5-indanol. Said phenolic novolak resins are used in radiation-sensitive compositions, especially those useful as positive-working photoresists.
    Type: Grant
    Filed: February 22, 1993
    Date of Patent: October 5, 1993
    Assignee: OCG Microelectronic Materials, Inc.
    Inventor: Medhat A. Toukhy
  • Patent number: 5250392
    Abstract: A negative-working, radiation-sensitive composition comprising an admixture in a solvent of:(a) at least one cyclized rubber polymer,(b) at least one photoactive compound, and(c) an effective contrast enhancing amount of at least one rubber-soluble azo dye containing a reactive acrylate or methacrylate group of formula (I): ##STR1## wherein Q is a reactive group of the structure ##STR2## wherein Y is either H or CH.sub.3 ; wherein R.sub.1 is either H, CH.sub.3, C.sub.2 H.sub.5, CH.sub.2 CH.sub.2 CN, CH CH.sub.2 OH or Q;wherein R.sub.2 is either H, CH.sub.3, OCH.sub.3, or NHCOCH.sub.3 ;wherein R.sub.3 is either H, OCH.sub.3 or OC.sub.2 H.sub.5 ; andwherein X is selected from the group consisting of an unsubstituted or a substituted benzene, thiazole, thiophene, benzothiazole, benzoisothiazole, thiadiazole, and pyrazole moiety having, if substituted, 1-3 substituent groups selected from cyano, nitro, acetyl, and halogen groups; the amount of said cyclized rubber being about 90% to 99.
    Type: Grant
    Filed: January 25, 1993
    Date of Patent: October 5, 1993
    Assignee: OCG Microelectronic Materials, Inc.
    Inventors: Stephen F. Marcotte, Jr., John Griffiths
  • Patent number: 5240806
    Abstract: A liquid colored electrostatic toner comprising:(A) a colored predispersion comprising (1) a non-polymeric resin material having certain insolubility (and nonswellability), melting point, and acid number characteristics; (2) an alkoxylated alcohol having certain insolubility (and nonswellability) and melting point characteristics; and (3) colorant material having certain particle size characteristics; and(B) an aliphatic hydrocarbon liquid carrier having certain conductivity, dielectric constant, and flash point.
    Type: Grant
    Filed: January 3, 1992
    Date of Patent: August 31, 1993
    Assignee: Olin Corporation
    Inventors: Kuo-Chang Tang, Peter E. Materazzi
  • Patent number: 5240811
    Abstract: Photoresist formulations and coatings are provided which contain a polymer having pendant tetrazole-5-thione groups which upon exposure to ultraviolet light decompose to carbodiimides and thereby providing means for crosslinking the base polymer to provide high resolution and thermal stability.
    Type: Grant
    Filed: April 15, 1991
    Date of Patent: August 31, 1993
    Assignee: OCG Microelectronic Materials, Inc.
    Inventors: James W. Taylor, David R. Bassett
  • Patent number: 5238762
    Abstract: A liquid colored electrostatic toner comprising:(A) a colored predispersion comprising (1) a nonpolymeric resin material having certain insolubility (and nonswellability), melting point, and acid number characteristics; (2) a polymeric plasticizer having certain insolubility (and nonswellability) and melting point characteristics; and (3) colorant material having certain particle size characteristics; and(B) an aliphatic hydrocarbon liquid carrier having certain conductivity, dielectric constant, and flash point.
    Type: Grant
    Filed: September 25, 1991
    Date of Patent: August 24, 1993
    Assignee: Olin Corporation
    Inventor: Peter E. Materazzi