Patents by Inventor Erich Feess

Erich Feess has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4602914
    Abstract: The textile-printing industry is very interested in bypassing the laborious and expensive production of transfer printing papers, together with the required engraving of rolls. It has been found that this demand can be satisfied by electronically recording and reproducing any motif and transferring to textile material by means of halftone systems.According to the invention, the dyestuffs are continuously transferred by halftone systems from four differently and uniformly colored papers one after the other. To obtain a good picture, 10 to 20 halftone dots per cm are advisable for pressing the paper to the surface of the textile material. Either the halftone dots themselves are heated, or they press the textile material and paper onto a heated surface. The halftone dots are electronically actuated in correspondence with the scanning of the motif.
    Type: Grant
    Filed: November 10, 1983
    Date of Patent: July 29, 1986
    Assignee: Hoechst Aktiengesellschaft
    Inventor: Erich Feess
  • Patent number: 4461622
    Abstract: New phthalocyanine dyestuffs of the formula ##STR1## wherein Phth is a copper phthalocyanine or cobalt phthalocyanine moiety; x is a number from 0 to 3; y is a number from 1 to 4 and the sum of x and y is 4 or less; the thiocyanate group is in the meta or para-position to the amino; and addition products thereof formed with water in the presence of acids; are prepared by converting a phthalocyaninecarboxylic acid into the corresponding acid halide and condensing the acid halide with m- or p-thiocyanoaniline in an inert organic diluent; and the new dyestuffs are for dyeing and printing a material of natural or regenerated cellulose.
    Type: Grant
    Filed: August 30, 1982
    Date of Patent: July 24, 1984
    Assignee: Cassella Aktiengesellschaft
    Inventors: Konrad Mix, Erich Feess
  • Patent number: 4428750
    Abstract: In order to achieve lighter patterned effects on a background of a deeper color, aqueous printing pastes containing, additionally to thickeners and other conventional printing assistants, assistants which have dissolving properties for the dyestuffs at elevated temperatures and which do not attack the fibers under thermosol conditions, are applied to textile webs which have been dyed in a finished manner with suitable dyestuffs or have only been impregnated therewith, after which the goods treated in this way are subjected to a steaming process or to a dry heat treatment. In accordance with the process it is possible to effect a uniform lightening, "white discharging" or "colored discharging" of dyeings, particularly dyeings of synthetic fibers with disperse dyestuffs and also dyeings of natural fibers or mixtures thereof with disperse dyestuffs, vat dyestuffs, leuco esters thereof and developing dyestuffs.
    Type: Grant
    Filed: February 18, 1983
    Date of Patent: January 31, 1984
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Walter Birke, Hans-Ulrich von der Eltz, Franz Schon, Erich Feess
  • Patent number: 4314811
    Abstract: According to two-phase processes multi-color effects are obtained on cellulosic materials, namely conversion effects with reactive and vat dyestuffs on the one hand and discharge resists prints with reactive dyestuffs and, optionally, vat dyestuffs on the other hand, by printing or padding the reactive dyestuff or a mixture of reactive and vat dyestuffs in a weakly acidic medium onto the material, overprinting this material with a neutral paste containing formamidine sulfinic acid as discharging agent and, if desired, a vat dyestuff, drying the print, contacting the material with an aqueous strongly alkaline liquor, steaming it and finishing the article in known manner, depending on the choice of dyestuffs.
    Type: Grant
    Filed: July 1, 1980
    Date of Patent: February 9, 1982
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Erich Feess, Friedrich Reinhardt
  • Patent number: 4314812
    Abstract: According to two-phase processes multi-color effects are obtained on cellulosic materials, namely conversion effects with reactive and vat dyestuffs on the one hand and discharge resist prints with reactive dyestuffs and, optionally, vat dyestuffs on the other hand, by printing or padding the reactive dyestuff or a mixture of reactive and vat dyestuffs in a weakly acidic medium onto the material, overprinting this material with a neutral paste containing a stable discharging agent of the sulfinic acid series and, if desired, a vat dyestuff, drying the print, contacting the material with an aqueous strongly alkaline liquor, steaming it and finishing the article in known manner, depending on the choice of dyestuffs.
    Type: Grant
    Filed: July 1, 1980
    Date of Patent: February 9, 1982
    Assignee: Hoechst Aktiengesellschaft
    Inventor: Erich Feess
  • Patent number: 4242094
    Abstract: Developing dyes are especially easily produced by using preparations containing molar amounts of diazo or coupling components per weight or volume unit or a multiple or a fraction thereof in simple numerical ratios. Since the diazo component is the free finely dispersed amine these preparations are stable and allow the reaction of stoichiometric amounts. Thus, multicolor effects are feasible which hitherto could not be obtained at all or with difficulties only.
    Type: Grant
    Filed: February 21, 1979
    Date of Patent: December 30, 1980
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Erich Feess, Willy Gronen
  • Patent number: 4242091
    Abstract: Process for the continuous dyeing of textile webs made from cellulose fibers or wool, or mixtures containing such fibers, with reactive or sulfur dyestuffs in reduced form, or with reactive or acid dyestuffs, which comprises preheating the textile material to temperatures of from 97.degree. to 104.degree. C. by means of IR radiators or microwaves while maintaining a residual moisture corresponding at least to the water retention amount (normal humidity) of the fibers, and subsequently treating it with steam for 10 to 300 seconds without applying additional pressure, in order to fix the dyestuffs.
    Type: Grant
    Filed: December 14, 1979
    Date of Patent: December 30, 1980
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Erich Feess, Walter Birke, Joachim Steinbach
  • Patent number: 4231745
    Abstract: Synthetic polymers having carboxy groups are useful thickeners for printing pastes or pad-dyeing liquors containing disperse dyestuffs for the coloring of cellulose fibers which may be regenerated or their mixtures or mixtures of such fibers with polyester fibers.
    Type: Grant
    Filed: March 16, 1978
    Date of Patent: November 4, 1980
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Erich Feess, Friedrich Reinhardt
  • Patent number: 4212648
    Abstract: Process for printing textile cellulose fiber fabrics with printing pastes containing coupling components dissolved in an alkaline medium, sodium nitrite and diazotizable primary aromatic amines, in which process the amines are used as a solution or in the form of an aqueous fine dispersion with a particle size of less than 0.03 mm and are selected in a manner such that they are paractically non-volatile under at the drying temperatures and show a minimum basicity degree with the pK.sub.a being 2.2 or more, developing the water-insoluble azo dyestuffs on the fiber by diazotizing the amines and coupling the diazonium compound formed with the coupling components following the drying of the printing pastes applied by a treatment of the printed fabrics at room temperature with an aqueous developing bath containing formic acid, and completing the coupling without a previous intermediate drying of the fabric, however, optionally following an air passage, by a short-time steaming with saturated steam.
    Type: Grant
    Filed: September 7, 1978
    Date of Patent: July 15, 1980
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Horst Curtius, Erich Feess, Willy Gronen
  • Patent number: 4212646
    Abstract: Process for printing textile mixed fabrics of polyester and cellulose fibers with printing pastes containing coupling components dissolved in an alkaline medium, sodium nitrite, diazotizable primary aromatic amines and optionally disperse dyestuffs, in which process the amines are used as a solution or in the form of an aqueous fine dispersion with a particle size of less than 0.03 mm and are selected in a manner that they are practically non-volatile at the drying temperatures and exhibit minimum basicity with the pK.sub.a being 2.
    Type: Grant
    Filed: September 7, 1978
    Date of Patent: July 15, 1980
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Horst Curtius, Erich Feess, Willy Gronen
  • Patent number: 4201547
    Abstract: Azo developing dyestuffs are produced by diazotizing on the fiber a mono- to tetramine derived from a metal-containing or metal-free phthalocyanine, the amino group(s) being bound to a phenyl or naphthyl group (which may be substituted) which is linked via a bridge member to the phthalocyanine which may further contain up to 3 optionally substituted sulfon amide groups and up to 3 sulfo groups, and coupling said diazotized amino onto azoic coupling components usual for preparing developing dyestuffs.
    Type: Grant
    Filed: March 20, 1978
    Date of Patent: May 6, 1980
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Erich Feess, Hartmut Springer, Paul Karacsonyi, Willy Gronen, Horst Curtius
  • Patent number: 4195973
    Abstract: o-Aminophenol ethers deriving from lower alkylene glycols, lower alkylene polyglycols and the corresponding mono-lower alkyl ethers which may be substituted in the phenyl nucleus by halogen or nitro, are useful as diazo components in the "all-in" printing process for preparing developing dyes on cellulose. In this process the printing paste contains the alkaline solution of the coupling component, a dispersion of the amine, sodium nitrite and a thickening composition and developing of the dye is brought about with acidic means, followed by or combined with a heat treatment.
    Type: Grant
    Filed: November 6, 1978
    Date of Patent: April 1, 1980
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hasso Hertel, Horst Curtius, Erich Feess, Paul Karacsonyi
  • Patent number: 4118186
    Abstract: A process for the fixation of organic dyestuffs on materials having a fibrous structure had been found, in which an organic dyestuff containing one or several groups of the formula (I) ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each represent a non-ionic, anionic or cationic substituent, with the exception of a primary or secondary amino group or the salts thereof, is applied in dissolved form onto said materials and subsequently subjected to the action of nitrous acid. The process yields fiber materials on which active substances, such as dyestuffs, brighteners, mothproofing agents, water-repellent agents, etc., are fixed fast; the novel process is especially and advantageously suitable in combination with the ice-color technique.
    Type: Grant
    Filed: May 11, 1977
    Date of Patent: October 3, 1978
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Erich Feess, Hartmut Springer, Willy Gronen
  • Patent number: 4094637
    Abstract: Cellulosic material is printed with a paste containing the alkaline solution of a coupler, the dispersion of a diazotable aromatic amine, a nitrite and a thickener and the dyestuff is developed on the fiber by acidic steaming or by adding solutions of organic acids and steaming or drying.
    Type: Grant
    Filed: October 17, 1975
    Date of Patent: June 13, 1978
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Erich Feess, Willy Gronen, Hasso Hertel
  • Patent number: 4061001
    Abstract: Device for the uniform application of liquid treating baths in the form of foam onto textile flat materials, consisting essentially of (a) elements for foaming the liquor under pressure, by a pipe-line for the foam linked to (b) a foam distributing and foam applying chamber, and immediately below, but not directly limited therewith, (c) elements for supporting and transporting the textile web in open width of the material.
    Type: Grant
    Filed: May 21, 1976
    Date of Patent: December 6, 1977
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hans-Ulrich von der Eltz, Erich Feess, Siegfried Glander
  • Patent number: 4057389
    Abstract: Cellulosic material is printed with a paste containing the alkaline solution of a coupler, the dispersion of a diazotable aromatic amine, a nitrite and a thickener, and the dyestuff is developed on the fiber by adding solutions of organic acids and, after a short air passage, contacting the dyeing or print with an alkaline agent.
    Type: Grant
    Filed: April 6, 1976
    Date of Patent: November 8, 1977
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Erich Feess, Willy Gronen
  • Patent number: 4046506
    Abstract: The invention relates to a process for the continuous dyeing of textile webs of synthetic fibres or mostly synthetic fibre materials with suitable dyestuffs and dyestuff fixation according to a usual method, wherein the padding operation of the fibrous material with an aqueous dyebath having a relatively high concentration and squeezing off the excess of liquid is effected while pressing from both sides endless webs of an absorbent fibre material (auxiliary webs) onto the material to be dyed.
    Type: Grant
    Filed: January 16, 1975
    Date of Patent: September 6, 1977
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Erich Feess, Hans-Peter Maier
  • Patent number: 3993434
    Abstract: Process for the fixation of prints with reactive dyestuffs, wherein an aqueous alkaline bath which contains an inflammable organic liquid is applied onto the printed and dried material, the said organic liquid is burned off after passage of the material through air and the said material is further treated in the usual manner. This process has the advantage, in addition to the usual advantages of a continuous method of operation over a discontinuous method, that special steamers for the fixation are not necessary. The burning off process is effected in an essentially simpler apparatus, in the most simple case a burning-off duct is sufficient. Moreover, the new process requires less energy than the conventional fixing processes.
    Type: Grant
    Filed: October 11, 1973
    Date of Patent: November 23, 1976
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Walter Birke, Erich Feess, Hans-Ulrich VON DER Eltz, Kurt Roth, Franz Schon
  • Patent number: 3980426
    Abstract: A process for the pad-dyeing or printing of textile material consisting of cellulose and polyester fibers with fiber-reactive and dispersion dyestuffs which comprises printing or padding the textile material with a printing paste or padding liquor which contains besides the usual printing auxiliaries and the dyestuffs mentioned an alkali salt of the formic acid as well as carriers, levelling and/or dispersing agents, fixing the dyestuffs by dry heat at temperatures above 150.degree.C or by hot steam at temperatures above 140.degree.C, and completing the prints or pad dyeings in usual manner.
    Type: Grant
    Filed: January 30, 1975
    Date of Patent: September 14, 1976
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Erich Feess, Sienling Ong, Hans Helmut Steuernagel
  • Patent number: 3973329
    Abstract: A process for the drying of textile material, preferably made from hydrophobic fibers, which comprises bringing the textile material to be dried into contact with an absorbent material and, after the two materials have been separated, continuously squeezing off the absorbent material to regenerate its absorptivity, and a device for carrying out this process.
    Type: Grant
    Filed: November 5, 1974
    Date of Patent: August 10, 1976
    Assignee: Hoechst Aktiengesellschaft
    Inventor: Erich Feess