Patents Represented by Attorney John A. Weygandt
  • Patent number: 4419403
    Abstract: Premoistened wipers are provided with wet strength through the use of colloidal sulfate esters of cellulose having a high degree of sulfate substitution, equal to or greater than 2.5. When such wipers are immersed in water, they become easily dispersible and hence flushable.
    Type: Grant
    Filed: December 7, 1981
    Date of Patent: December 6, 1983
    Assignee: Scott Paper Company
    Inventor: Eugenio Varona
  • Patent number: 4394212
    Abstract: Bleed-fast, dyed cellulosics particularly absorbent papers have been obtained with a particular class of water-soluble, cationic dyes reacted with a water-soluble dialdehyde, preferably glyoxal or glutaraldehyde. An aqueous printing fluid containing the water-soluble cationic dye and the dialdehyde, upon drying, produces a water-resistant dyestuff having improved bleed fastness upon cellulosic fibers.
    Type: Grant
    Filed: November 9, 1981
    Date of Patent: July 19, 1983
    Assignee: Scott Paper Company
    Inventor: Alex Pociluyko
  • Patent number: 4391878
    Abstract: Water soluble wet strength resins containing maleamic acid and at least one other ethylenically unsaturated monomer, such as vinyl esters, olefins, acrylic and/or methyacrylic acids and/or their esters and/or their amindes are useful in the preparation of paper products having improved, off-machine dry strength and wet strength properties.
    Type: Grant
    Filed: July 24, 1981
    Date of Patent: July 5, 1983
    Assignee: Scott Paper Company
    Inventor: John E. Drach
  • Patent number: 4381246
    Abstract: Fibrous web adapted for wiping purposes bonded with a rubber latex and impregnated with a cleaning lotion containing zinc chloride.
    Type: Grant
    Filed: September 28, 1981
    Date of Patent: April 26, 1983
    Assignee: Scott Paper Company
    Inventor: Ralph L. Anderson
  • Patent number: 4362781
    Abstract: Pre-moistened wiper comprising a nonwoven web impregnated with a modified guar gum and wet with an aqueous lotion containing borate ions.
    Type: Grant
    Filed: September 21, 1981
    Date of Patent: December 7, 1982
    Assignee: Scott Paper Company
    Inventor: Ralph L. Anderson
  • Patent number: 4359419
    Abstract: Bleed-fast, dyed cellulosics particularly absorbent papers have been obtained with a particular class of water-soluble, cationic dyes reacted with a water-soluble dialdehyde, preferably glyoxal or glutaraldehyde. An aqueous printing fluid containing the water-soluble cationic dye and the dialdehyde, upon drying, produces a water-resistant dyestuff having improved bleed fastness upon cellulosic fibers.
    Type: Grant
    Filed: October 26, 1979
    Date of Patent: November 16, 1982
    Assignee: Scott Paper Company
    Inventor: Alex Pociluyko
  • Patent number: 4340386
    Abstract: Bleed-fast, dyed cellulosics particularly absorbent papers have been obtained with a particular class of water-soluble, cationic dyes reacted with a water-soluble aldehyde, preferably formaldehyde, glyoxal or glutaraldehyde. An aqueous printing fluid containing the water-soluble cationic dye and the aldehyde, upon drying, produces a water-resistant dyestuff having improved bleed fastness upon cellulosic fibers.
    Type: Grant
    Filed: November 14, 1980
    Date of Patent: July 20, 1982
    Assignee: Scott Paper Company
    Inventor: Alex Pociluyko
  • Patent number: 4309469
    Abstract: A three component adhesive is used for a nonwoven web in combination with a water based lotion containing borate ions. The adhesively bonded web has substantial tensile strength while saturated with the lotion for extended periods of time (e.g., months) and is water dispersible when exposed to a large volume of water. The three component adhesive system provides the tensile strength for the web during prolonged exposure to the water based lotion even under extreme temperature conditions. The components of the adhesive composition applied to the web are polyvinyl alcohol, a non-self-cross-linking, thermosetting, polymer emulsion and a self-cross-linking thermosetting polymer emulsion. An organic acid capable of complexing with borate, such as .alpha.-hydroxy acids or o-aromatic hydroxy acids, when in combination with borate ions in the lotion produces a synergistic effect upon the PVA adhesive in the web.
    Type: Grant
    Filed: April 13, 1979
    Date of Patent: January 5, 1982
    Assignee: Scott Paper Company
    Inventor: Eugenio G. Varona
  • Patent number: 4283251
    Abstract: The bleaching of fluff cellulosic pulp with a gaseous ozone bleaching agent at an acidic pH is often followed by an alkaline treatment, usually an alkaline extraction or an alkaline hydrogen peroxide bleaching treatment, at a much higher water content than the gaseous ozone treatment of the fluff pulp. Such a bleaching sequence of gaseous ozone bleaching followed by an alkaline treatment is improved by the present invention based upon two discoveries, first, the discovery of peroxygen bleaching values in the water associated with the fluff pulp leaving the ozone bleaching treatment, and second, the peroxygen values are destroyed at the alkaline pH used for the alkaline treatment that follows the gaseous ozone bleaching treatment. In accordance with the discoveries, a Low Consistency Acidic Retention Treatment is interposed between the gaseous ozone bleaching treatment and the alkaline treatment.
    Type: Grant
    Filed: January 24, 1980
    Date of Patent: August 11, 1981
    Assignee: Scott Paper Company
    Inventor: Rudra P. Singh
  • Patent number: 4012543
    Abstract: A coated paper having high gloss and high bulk and a method for producing the paper wherein a high-solids coating is applied to the paper and pressed against a heated finishing surface.
    Type: Grant
    Filed: August 8, 1974
    Date of Patent: March 15, 1977
    Assignee: Scott Paper Company
    Inventors: Howard Lee Ranger, Mahlon Randall Kirk, Abbott Woodward Mosher
  • Patent number: 3994724
    Abstract: An electrophotographic element comprised of a slightly conductive support and an insulating coating thereon comprised of an insulating resin and a substituted aniline photoconductor. An electron acceptor sensitizing agent can also be added to the insulating coating.
    Type: Grant
    Filed: July 23, 1969
    Date of Patent: November 30, 1976
    Assignee: Scott Paper Company
    Inventor: John Alan Mattor
  • Patent number: 3964389
    Abstract: Material is transferred by a laser beam from a transparent carrier film to a lithographic surface, thereby producing a planographic printing plate and a film having clear areas corresponding to the image on the plate.
    Type: Grant
    Filed: January 17, 1974
    Date of Patent: June 22, 1976
    Assignee: Scott Paper Company
    Inventor: John O. H. Peterson
  • Patent number: 3962513
    Abstract: A transfer film comprising a transparent substrate having thereon a coating comprising particles which absorb laser energy and a self-oxidizing binder is improved by overlying the coating with a layer of ink - receptive resin. Material is transferred by a laser beam from the transparent carrier film to a lithographic surface, thereby producing a planographic printing plate and a film having clear areas corresponding to the image on the plate.
    Type: Grant
    Filed: March 28, 1974
    Date of Patent: June 8, 1976
    Assignee: Scott Paper Company
    Inventor: Arnold C. Eames
  • Patent number: 3949142
    Abstract: A new dry planographic plate having a non-ink receptive silicone rubber background area that does not require a fountain solution to repel printing ink and process of producing this new plate comprising applying the photoresponsive sensitizer to a polymeric support film and bringing the sensitizer layer into intimate adhesive contact with an uncured silicone gum and thereafter curing the silicone gum.
    Type: Grant
    Filed: July 31, 1973
    Date of Patent: April 6, 1976
    Assignee: Scott Paper Company
    Inventor: Towers Doggett
  • Patent number: 3946135
    Abstract: A release paper which is particularly useful in platen press applications and in the casting of self-supporting films which comprises a fibrous base having a coating thereon derived from an aqueous coating composition containing a release agent, a monomeric polyhydric alcohol and a cross-linkable, thermosetting resin.
    Type: Grant
    Filed: November 7, 1974
    Date of Patent: March 23, 1976
    Assignee: Scott Paper Company
    Inventor: John O. H. Peterson