Patents by Inventor Gerhard Reinert

Gerhard Reinert 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: 5997769
    Abstract: A description is given of novel stabilizer mixtures comprising at least one compound of the formula ##STR1## and at least one compound of the formula ##STR2## in which the variables are as defined in the claims. The novel stabilizer mixtures are suitable for stabilizing organic material, especially textile fiber materials, against damage by light, oxygen and heat.
    Type: Grant
    Filed: November 10, 1998
    Date of Patent: December 7, 1999
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Rolf Tittmann, Francesco Fuso, Gerhard Reinert, Hans Peter Harri
  • Patent number: 5938793
    Abstract: 050234814The present invention relates to a process for increasing the sun protection factor of cellulosic fiber materials, which comprises treating the cellulosic fiber materials with at least one reactive dye and at least one reactive UV absorber.
    Type: Grant
    Filed: August 11, 1997
    Date of Patent: August 17, 1999
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Gerhard Reinert, Francesco Fuso, Rolf Hilfiker
  • Patent number: 5914444
    Abstract: Process for increasing the sun protection factor of cellulosic fibre materials by treating the cellulosic fibre materials with at least one direct dye and at least one UV absorber.
    Type: Grant
    Filed: September 15, 1997
    Date of Patent: June 22, 1999
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Gerhard Reinert, Francesco Fuso, Rolf Hilfiker
  • Patent number: 5871669
    Abstract: A description is given of novel stabilizer mixtures comprising at least one compound of the formula ##STR1## and at least one compound of the formula ##STR2## in which the variables are as defined in the claims. The novel stabilizer mixtures are suitable for stabilizing organic material, especially textile fibre materials, against damage by light, oxygen and heat.
    Type: Grant
    Filed: March 10, 1997
    Date of Patent: February 16, 1999
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Rolf Tittmann, Francesco Fuso, Gerhard Reinert, Hans Peter Harri
  • Patent number: 5811081
    Abstract: The invention relates to the use of the compound of formula ##STR1## wherein the variables are as defined in the claims, for enhancing the sn protection factor of cellulosic fiber materials.
    Type: Grant
    Filed: September 27, 1995
    Date of Patent: September 22, 1998
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Francesco Fuso, Gerhard Reinert
  • Patent number: 5786475
    Abstract: The invention relates to compounds of formula ##STR1## wherein the variables have the meanings given in the claims. The compounds are suitable for use as UV absorbers for the photochemical stabilization of undyed, dyed or printed textile fiber materials and for enhancing the sun protection factor thereof.
    Type: Grant
    Filed: September 11, 1995
    Date of Patent: July 28, 1998
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Francesco Fuso, Gerhard Reinert
  • Patent number: 5700295
    Abstract: The invention relates to compounds of formula ##STR1## wherein the variables have the meanings given in the claims. The compounds are suitable for use as UV absorbers for the photochemical stabilisation of undyed, dyed or printed textile fiber materials and for enhancing the sun protection factor thereof.
    Type: Grant
    Filed: October 11, 1995
    Date of Patent: December 23, 1997
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Francesco Fuso, Gerhard Reinert
  • Patent number: 5696262
    Abstract: The invention relates to novel water-soluble triazines of formula ##STR1## wherein the variables are as defined in the claims, to a process for their preparation and to the use thereof for the photochemical and thermal stabilisation of dyed or undyed polyamide fiber materials.
    Type: Grant
    Filed: August 22, 1995
    Date of Patent: December 9, 1997
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Francesco Fuso, Gerhard Reinert
  • Patent number: 5649980
    Abstract: A process is described for the photochemical and thermal stabilisation of undyed and dyed polyester fibre materials, which comprises treating said materials with a compound of formula ##STR1## wherein R.sub.1 and R.sub.2 are each independently of the other C.sub.1 -C.sub.12 alkyl. Dyeings and prints of superior lightfastness and sublimation fastness on polyester and cellulose acetate are obtained by this process.
    Type: Grant
    Filed: October 2, 1995
    Date of Patent: July 22, 1997
    Assignee: Ciba-Geigy Corporation
    Inventors: Dieter Reinehr, Gerhard Reinert, Manfred Rembold
  • Patent number: 5578667
    Abstract: The invention relates to novel water-soluble antioxidants of formula ##STR1## wherein the variables are as defined in the claims, to a process for their preparation and to the use thereof for the photochemical and thermal stabilisation of dyed and undyed polyamide fibre materials.
    Type: Grant
    Filed: September 15, 1995
    Date of Patent: November 26, 1996
    Assignee: Ciba-Geigy Corporation
    Inventors: Francesco Fuso, Gerhard Reinert
  • Patent number: 5387683
    Abstract: A process is described for the photochemical and thermal stabilisation of undyed and dyed or printed polyester fibre materials, which comprises treating said materials with a compound of formula ##STR1## wherein R.sub.1 is hydrogen or C.sub.1 -C.sub.5 alkyl,R.sub.2 is C.sub.1 -C.sub.12 alkyl, andn is 0 to 5.Dyeings of superior lightfastness and sublimation fastness on polyester and cellulose acetate are obtained by this process.
    Type: Grant
    Filed: December 30, 1993
    Date of Patent: February 7, 1995
    Assignee: Ciba-Geigy Corporation
    Inventors: Kurt Burdeska, Gerhard Reinert, Dieter Reinehr
  • Patent number: 5356443
    Abstract: A process for enhancing the thermal and/or photochemical stability of dyeings on dimensionally stabilised polyamide fibres, which comprises treating the polyamide fibre material, before the fixation step for producing defined, resilient forms and dimensions, in aqueous medium with a compound of formula I(A-Y-).sub.n Z(-W).sub.m (1)wherein A, W, Y, Z, n and m are as defined in claim 1.
    Type: Grant
    Filed: September 7, 1993
    Date of Patent: October 18, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Gerhard Reinert, Thys Bouwknegt, Francesco Fuso
  • Patent number: 5345378
    Abstract: One cycle of a programmable controller includes reading-in (E) the input signals, processing (B) the input signals, whereby inter alia the output signals are calculated, and outputting (A) the output signals. The time one cycle takes can be shortened by processing (B) the input signals at least in part simultaneously with the outputting (A) of the output signals of the preceding cycle and with the reading-in (E) of the input signals of the subsequent cycle.
    Type: Grant
    Filed: June 29, 1992
    Date of Patent: September 6, 1994
    Assignee: Siemens Aktiengesellschaft
    Inventors: Georg Lang, Georg Trummer, Edgar Sigwart, Werner Fraas, Andrea Misler, Gerhard Reinert
  • Patent number: 5338319
    Abstract: There is disclosed a process for the photochemical and thermal stabilisation of polyamide fibre material as claimed in claim 1.The fibre materials treated by the inventive process are distinguished by good fibre affinity and enhanced photochemical and thermal stability.
    Type: Grant
    Filed: April 20, 1992
    Date of Patent: August 16, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Jurgen Kaschig, Gerhard Reinert
  • Patent number: 5312917
    Abstract: Water-soluble triazine derivatives of formula (1) are disclosed. The novel compounds are representatives of sterically hindered amines (HALS stabilisers) and are suitable for enhancing the thermal and photochemical stability of undyed and dyed polyamide fibre materials.
    Type: Grant
    Filed: December 9, 1992
    Date of Patent: May 17, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Francesco Fuso, Gerhard Reinert
  • Patent number: 5298030
    Abstract: A process is described for the photochemical and thermal stabilization of undyed and dyed or printed polyester fiber materials, which comprises treating said materials with a compound of formula ##STR1## wherein R.sub.1 is hydrogen or C.sub.1 -C.sub.5 alkyl,R.sub.2 is C.sub.1 -C.sub.12 alkyl, andn is 0 to 5.Dyeings of superior lightfastness and sublimation fastness on polyester and cellulose acetate are obtained by this process.
    Type: Grant
    Filed: February 10, 1993
    Date of Patent: March 29, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Kurt Burdeska, Gerhard Reinert, Dieter Reinehr
  • Patent number: 5294735
    Abstract: Novel semicarbazides of the formula ##STR1## wherein R.sub.1 and R.sub.2, each independently of the other, are hydrogen, C.sub.1 -C.sub.5 alkyl, C.sub.2 -C.sub.5 alkenyl, C.sub.1 -C.sub.5 alkoxy or phenyl, or R.sub.1 and R.sub.2, together with the linking nitrogen atom, form a morpholine or piperazine radical, p is 0 or 1, and Q depends on the value of p as described herein. The novel compounds, which are water-soluble in aqueous application systems, have fibre affinity and are suitable for the photochemical and thermal stabilization of polyamide fibre materials and the dyeings produced thereon.
    Type: Grant
    Filed: February 20, 1992
    Date of Patent: March 15, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Jurgen Kaschig, Gerhard Reinert, Georges Metzer
  • Patent number: 5281707
    Abstract: There is described a process for the photochemical and thermal stabilization of polyamide fibre materials according to claim 1 and also novel water-soluble triazine derivatives according to claim 7.The novel process and compounds confer good thermal and photochemical stability on polyamide dyeings and fibres.
    Type: Grant
    Filed: August 10, 1992
    Date of Patent: January 25, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Francesco Fuso, Gerhard Reinert
  • Patent number: 5241109
    Abstract: There is disclosed a water-soluble, asymmetrical oxalic acid diarylamide of general formula ##STR1## wherein the substituents R.sub.1 are each independently of the other unsubstituted or hydroxy- or alkoxy-substituted C.sub.1 -C.sub.5 alkyl, unsubstituted or C.sub.1 -C.sub.5 alkyl-substituted benzyl,R.sub.2 is hydrogen, halogen, C.sub.1 -C.sub.12 alkyl or phenyl-C.sub.1 -C.sub.5 alkyl,R.sub.3 is hydrogen, halogen, C.sub.1 -C.sub.12 alkyl, phenyl-C.sub.1 -C.sub.5 alkyl or C.sub.1 -C.sub.5 alkoxy,A is a direct bond or a divalent radical of formula --O--Q--, whereinQ is unsubstituted or hydroxy-substituted C.sub.1 -C.sub.6 alkylene,M is hydrogen or alkali metal, andr is 2, 1 or 0.The novel water-soluble compound having fiber affinity is suitable for the photochemical and thermal stabilisation of polyamide fiber materials and the dyeings produced thereon.
    Type: Grant
    Filed: March 27, 1992
    Date of Patent: August 31, 1993
    Assignee: Ciba-Geigy Corporation
    Inventors: Jurgen Kaschig, Gerhard Reinert, Georges Metzger
  • Patent number: 5221287
    Abstract: The invention describes a process for the photochemical and thermal stabilization of polyamide fibres having an affinity for acid and basic dyes, and of blends of said fibres with one another and with other fibres, a composition for carrying out the process and the fibre materials treated therewith.
    Type: Grant
    Filed: June 25, 1990
    Date of Patent: June 22, 1993
    Assignee: Ciba-Geigy Corporation
    Inventor: Gerhard Reinert