Patents by Inventor Alwin Reng

Alwin Reng 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: 5403508
    Abstract: The present invention relates to nonionic, flowable pearlescent dispersions which comprise 5 to 30% by weight of a fatty acid glycol ester of the formula I as a pearlescence-forming agent, 0.1-20% by weight of a nonionic surfactant of the formula II and water in the amount lacking to make up 100% by weight.
    Type: Grant
    Filed: May 13, 1993
    Date of Patent: April 4, 1995
    Assignee: Hoechst AG
    Inventors: Alwin Reng, Werner Skrypzak, Walter Kunz
  • Patent number: 5231224
    Abstract: The invention relates to alkyl ether carboxylic acid taurides of the formulaR.sup.2 --(OC.sub.2 H.sub.4).sub.n --O--CH.sub.2 --CO--NR.sup.1 --C.sub.2 H.sub.4 --SO.sub.3 M,in which n is greater than 0, R.sup.1 =H or C.sub.1 -C.sub.4 alkyl, R.sup.2 =C.sub.5 -C.sub.22 alkyl and M=H, Na, K, Ca/2 or Mg/2.Processes for their preparation and their use as surface-active substances, especially as mild cleaning agents for cosmetic purposes, are also described.
    Type: Grant
    Filed: February 11, 1992
    Date of Patent: July 27, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Thomas Gerdau, Alwin Reng, Walter Kunz
  • Patent number: 5071960
    Abstract: High molecular weight protein/fatty acid condensation products obtained by reaction of one mole of a protein hydrolysate of average molecular mass 3,000 to 7,000 with 0.5 to 3, preferably 2 to 2.5, moles of a C.sub.12 -C.sub.18 -fatty acid chloride in aqueous medium at a pH of 7 to 12. These protein/fatty acid condensation products are distinguished by eliciting no mucosal irritation whatever. They are therefore outstandingly suitable as surfactants for mild washing and cleansing agents.
    Type: Grant
    Filed: September 6, 1990
    Date of Patent: December 10, 1991
    Assignees: Hoechst Aktiengesellschaft, Deutsche Gelatine-Fabriken Stoess AG
    Inventors: Angelika Turowski, Jochen M. Quack, Alwin Reng, Arno Holst
  • Patent number: 4853430
    Abstract: Fatty acid-modified polysters composed of polyalkylene oxide and dimerized fatty acids, of the formula ##STR1## in which R is C.sub.8 -C.sub.22 -alkyl or C.sub.8 -C.sub.22 -alkenyl, preferably C.sub.12 -C.sub.18 -alkyl, R.sup.1 is the alkyl skeleton of a dimerized fatty acid having 22 to 42, preferably 34 carbon atoms, A is --C.sub.2 H.sub.4 -- or --C.sub.3 H.sub.6 --, n is a number from 1 to 5, preferably 1 to 3, and x is a number from 20 to 150, preferably 23 to 140. These are prepared by simultaneous reaction of the underlying dimerized fatty acid, polyalkylene oxide and fatty acid. The polyesters obtained are used as agents for increasing the viscosity of surfactant-containing cosmetic, pharmaceutical and industrial products.
    Type: Grant
    Filed: December 30, 1987
    Date of Patent: August 1, 1989
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Herbert Stuhler, Alwin Reng, Werner Skrypzak, Jochen M. Quack
  • Patent number: 4781918
    Abstract: An agent for treatment of hair and skin, containing a quarternary ammonium compound of the formula ##STR1## in which R.sub.1 and R.sub.2 may be identical or different and denote C.sub.8 -C.sub.22 -alkyl or C.sub.8 -C.sub.22 -alkenyl, R.sub.3 denotes C.sub.1 -C.sub.3 -alkyl, x denotes a number from 1 to 3, and A.sup..crclbar. denotes the anion of C.sub.2 -C.sub.6 -carboxylic acid, which may contain 1 to 3 hydroxyl groups, or the hydrogen phosphate anion.
    Type: Grant
    Filed: October 7, 1987
    Date of Patent: November 1, 1988
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Manfred Hofinger, Alwin Reng, Jochen M. Quack
  • Patent number: 4654163
    Abstract: Pearl luster dispersions comprising a fatty acid glycol ester, a fatty acid alkanolamide, a nonionic surfactant of the formulaR.sub.5 --O--(A--O).sub.m --(B--O).sub.n --R.sub.6where R.sub.5 denotes C.sub.8 -C.sub.30 -alkyl or alkenyl, R.sub.6 denotes hydrogen or a group of the formula --CH.sub.2 O--R.sub.7, R.sub.7 denotes C.sub.1 -C.sub.10 -alkyl or alkenyl, A and B, independently of each other, denote a group of the formula --C.sub.2 H.sub.4 -- or --C.sub.3 H.sub.6 --, and m and n each denote a number from 1 to 30, and water to 100%.Pearl luster dispersions based on this nonionic surfactant have the advantage that they are fluent even at temperatures below 20.degree. C.
    Type: Grant
    Filed: March 26, 1985
    Date of Patent: March 31, 1987
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Jochen M. Quack, Alwin Reng, Werner Skrypzak, Walter Kunz
  • Patent number: 4620976
    Abstract: Pearlescent dispersions consisting of a fatty acid glycol ester, a fatty acid alkanolamide, one or more surfactants of the formulae ##STR1## in which the individual symbols of these formulae have the meanings given in the description, salts and water in the amount to make up to 100%. Pearlescent dispersions based on these surfactants have the advantage that they already have good flow properties at temperatures below 20.degree. C.
    Type: Grant
    Filed: June 5, 1985
    Date of Patent: November 4, 1986
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Jochen M. Quack, Alwin Reng, Werner Skrypzak, Walter Kunz
  • Patent number: 4606916
    Abstract: Novel quaternary oxalkylated polyesters prepared from oxalkylated fatty amines by polycondensation with a dicarboxylic acid and subsequent reaction with an alkylene oxide and a carboxylic acid or a mineral acid or with a quaternizing agent such as methyl chloride, are described. The compounds are suitable for use as cosmetic active compounds, in particular for cosmetic care of the hair.
    Type: Grant
    Filed: December 12, 1984
    Date of Patent: August 19, 1986
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Manfred Hofinger, Alwin Reng, Jochen M. Quack
  • Patent number: 4600539
    Abstract: The invention relates to novel O/W emulsifiers obtainable by reacting one mole of esters of wool wax acids and glycerol, in particular partial esters, with 0.5 to 30 moles of ethylene oxide, a process for the preparation of these novel products and cosmetic agents containing these in an amount of 1 to 15% by weight, based on the total formulation.
    Type: Grant
    Filed: October 15, 1984
    Date of Patent: July 15, 1986
    Assignees: Beiersdorf AG, Hoechst AG
    Inventors: Udo Hoppe, Jochen M. Quack, Alwin Reng, Herbert Stuhler, Klaus-Peter Wittern
  • Patent number: 4588522
    Abstract: Betaine-amine oxides of the formula ##STR1## in which R denotes alkyl, alkenyl or hydroxyalkyl, each of which has 8-22 carbon atoms, R.sup.1 denotes hydrogen or methyl, R.sup.2 denotes ethylene, propylene or 2-hydroxypropylene, R.sup.3, R.sup.4 and R.sup.5 can be identical or different and denote C.sub.1 -C.sub.3 -alkyl or a group of the formula ##STR2## or R.sup.3 denotes a group of the formula --R.sup.2 --BR.sup.4 R.sup.5, X denotes a direct bond or a group of the formula--CO--,A and B denote a group of the formulae ##STR3## it being necessary for at least one amine oxide group and at least one betaine group to be present, a denotes 0 or 1, b denotes 1, 2 or 3, n denotes a number from 0 to 10 and m denotes 1, 2 or 3. These compounds are obtained by partially quaternizing the parent polyamines with the alkali metal salt of an .omega.-halogenocarboxylic acid and then oxidizing the non-quaternized nitrogen atoms. These betaine-amine oxides are suitable for use as surfactants in cleansing agents.
    Type: Grant
    Filed: April 13, 1983
    Date of Patent: May 13, 1986
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Gunter Blaschke, Alwin Reng, Jochen M. Quack
  • Patent number: 4564520
    Abstract: Hair shampoo and body cleansing agent having a content of alkyl-sulfatobetaine of the formula ##STR1## wherein R.sub.1 is C.sub.8 -C.sub.22 alkyl or C.sub.8 -C.sub.22 alkenyl, preferably C.sub.12 -C.sub.18 alkyl, R.sub.2 is C.sub.1 -C.sub.4 alkyl, preferably methyl, R.sub.3 is C.sub.1 -C.sub.4 hydroxyalkyl or a group of the formula --(CH.sub.2 CH.sub.2 O).sub.n H and n is an integer of from 1 to 10.
    Type: Grant
    Filed: September 24, 1982
    Date of Patent: January 14, 1986
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Winfried Ehrl, Alwin Reng, Jochen M. Quack
  • Patent number: 4416808
    Abstract: Bis-betaine-amine oxides of the formula ##STR1## in which R is a saturated or an olefinically unsaturated hydrocarbon radical having 1 to 3 double bonds and 8 to 22 carbon atoms,n.sup.1 and n.sup.2 each is an integer of from 2 to 3, n.sup.1 and n.sup.2 optionally being identical or different,m.sup.1 and m.sup.2 each is an integer of from 1 to 4, m.sup.1 and m.sup.2 optionally being identical or different, anda, b, c and d, being identical or different, each is a number of from 1 to 5, with the proviso that the sum (a+b+c+d) is at most 10.The compounds are prepared from primary amines of the formula RNH.sub.2, by dicyanoalkylation, hydrogenation, ethoxylation, reaction with alkali metal salts of .omega.-halocarboxylic acids, and subsequent oxidation with hydrogen peroxide. They are surfactants of mild action and suitable for formulating cosmetic and industrial cleaning agents.
    Type: Grant
    Filed: November 8, 1982
    Date of Patent: November 22, 1983
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Gunter Blaschke, Alwin Reng, Jochen M. Quack
  • Patent number: 4415488
    Abstract: Triamine-trioxides of the formula ##STR1## in which R denotes a saturated or an olefinically unsaturated hydrocarbon radical which has 1 to 3 double bonds and 8 to 22 carbon atoms, n.sup.1 and n.sup.2 represent an integer from 2 to 3, and n.sup.1 and n.sup.2 can be identical or different, and a, b, c and d, which are identical or different, each is a number from 1 to 5, with the proviso that the sum (a+b+c+d) should be at most 10.The compounds are prepared from primary amines of the formula RNH.sub.2 by dicyanoalkylation, hydrogenation, ethoxylation and oxidation with hydrogen peroxide. They are suitable for formulating industrial and also cosmetic cleaning agents.
    Type: Grant
    Filed: November 8, 1982
    Date of Patent: November 15, 1983
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Gunter Blaschke, Alwin Reng, Jochen M. Quack
  • Patent number: 4415487
    Abstract: Bis-betaines of the formula ##STR1## in which R denotes a saturated or an olefinically unsaturated hydrocarbon radical which has 1 to 3 double bonds and 8 to 22 carbon atoms,n.sup.1 and n.sup.2 represent an integer from 2 to 3, and n.sup.1 and n.sup.2 can be identical or different,m.sup.1 and m.sup.2 represent an integer from 1 to 4, and m.sup.1 and m.sup.2 can be identical or different, anda, b, c and d, which are identical or different, each is a number from 1 to 5, but the sum (a+b+c+d) should be at most 10.The compounds are prepared from primary amines of the formula RNH.sub.2, by dicyanoalkylation, hydrogenation, ethoxylation and reaction with alkali metal salts of .omega.-halogenocarboxylic acids. They are suitable for formluating cosmetic and industrial cleaning agents.
    Type: Grant
    Filed: November 8, 1982
    Date of Patent: November 15, 1983
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Gunter Blaschke, Alwin Reng, Jochen M. Quack
  • Patent number: 4237243
    Abstract: Use of cross-linked polymers for increasing the viscosity in cosmetic, pharmaceutical and technical compositions, wherein the polymer chains have the following composition:k - p molar % of groups of the formula ##STR1## p molar % of groups of the formula ##STR2## from 0 to 45 molar % of groups of the formula ##STR3## and from 0.1 to 20 molar % of a cross-linking agent, whereinR.sup.1 represents as a statistical mean value from 0 to 100 molar % of hydrogen and from 100 to 0 molar %, each calculated on the proportion of (k-p) molar %, of CH.sub.2 OH groups,R.sup.2 and R.sup.3 are hydrogen, or one of the radicals R.sup.2 and R.sup.
    Type: Grant
    Filed: February 9, 1979
    Date of Patent: December 2, 1980
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Jochen M. Quack, Alwin Reng, Juliane Balzer, Friedrich Engelhardt, Joachim Ribka
  • Patent number: 4150216
    Abstract: Hair-treatment agents having a content of branched copolyesters dispersible or soluble in water and an apparent molecular weight of 600 to 5000, and having a content of SO.sub.3 M groups, wherein M represents an alkali metal ion or ammonium ion or the cationic radical of an organic amine.
    Type: Grant
    Filed: July 19, 1977
    Date of Patent: April 17, 1979
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Jochen M. Quack, Alwin Reng, Friedrich Engelhardt, Karl Hintermeier
  • Patent number: 4134970
    Abstract: Quaternary ammonium compounds of the formula I ##STR1## wherein R.sub.1 is C.sub.8 -C.sub.24 alkyl, cyclohexyl or aryl, X and Y are hydrogen or methyl, only one X or Y being methyl at the same time, n is an integer of from 1 to 20, R.sup.2 and R.sup.3 are lower alkyl or benzyl and A is an anion. These compounds are made by common alkylation reaction of the corresponding non-quaternized compounds. They are used as surfactants, especially in hair care compositions.
    Type: Grant
    Filed: June 17, 1977
    Date of Patent: January 16, 1979
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hans L. Panke, Willi Steckelberg, Jochen M. Quack, Alwin Reng