Patents Assigned to Haarmann & Reimer
  • 4-alkanoyl-3-thiazolines and their use as odorants and flavorings
    Patent number: 6392054
    Abstract: The present invention provides for novel 3-thiazolines comprising the formula where R1, R2 and R3 are identical or different and denote hydrogen or a lower alkyl, wherein said lower alkyl denotes an unbranched or branched hydrocarbon having 1 to 3 carbon atoms. These novel 3-thiazolines can be used as odorants and flavorings having an olfactory impression.
    Type: Grant
    Filed: July 6, 2000
    Date of Patent: May 21, 2002
    Assignee: Haarmann & Reimer GmbH
    Inventors: Matthias Güntert, Stefan Lambrecht, Wolfgang Engel, Peter Schieberle
  • Process for the preparation of aromatic carbonyl compounds from styrenes
    Patent number: 6331655
    Abstract: The present invention relates to a novel process for the preparation of aromatic carbonyl compounds by oxidative cleavage of styrenes using lipases and hydrogen peroxide or hydrogen peroxide donors in the presence of carboxylic acids or carboxylic esters.
    Type: Grant
    Filed: June 9, 2000
    Date of Patent: December 18, 2001
    Assignee: Haarmann & Reimer GmbH
    Inventors: Ian-Lucas Gatfield, Jens-Michael Hilmer
  • Separation process for separating cycloalkenes having at least 2 double bonds from a reaction mixture
    Patent number: 6329562
    Abstract: A process for separating off cycloalkenes having at least two double bonds from a reaction mixture in hydrocarbon solution formed during the metathesis of cycloalkamonoenes or cyclomonoene/cyclopolyene mixtures comprising the steps of treating the reaction mixture with zeolites in the liquid phase, absorbing the olefins having at least two double bonds present in the solution by the zeolite, separating off the laden zeolite, and obtaining the cycloalkadienes and cyclopolyenes by desorption.
    Type: Grant
    Filed: June 28, 2000
    Date of Patent: December 11, 2001
    Assignee: Haarmann & Reimer GmbH
    Inventors: Ingo Wöhrle, Peter-Reinhard Schick
  • Mint and/or fruit flavor compositions
    Patent number: 6322838
    Abstract: A flavor composition comprising 8-ocimenyl esters of the formula wherein one of the two radicals R1 and R2 is methyl and the other is vinyl and one of the two radicals R3 and R4 is methyl and the other is wherein R5 is hydrogen, alkyl or alkenyl. Such flavor composition can also be mint and/or fruit flavor compositions, wherein the 8-ocimenyl esters have a flavor-enhancing action.
    Type: Grant
    Filed: April 25, 2000
    Date of Patent: November 27, 2001
    Assignee: Haarmann & Reimer GmbH
    Inventors: Matthias Güntert, Günter Kindel, Volkmar Koppe, Stefan Lambrecht, Horst Surburg
  • Crystallization process and device
    Patent number: 6315966
    Abstract: Continuously operated, two-part crystallizer which is particularly suitable for the resolution of racemic mixtures, and process for separating solid mixtures which are difficult to separate, in particular racemates.
    Type: Grant
    Filed: December 15, 1998
    Date of Patent: November 13, 2001
    Assignee: Haarmann & Reimer GmbH
    Inventors: Hans-Dieter Baumgard, Bernhard Haedke, Josef Himmelreich, Helmut Judat
  • N-(2-Mercaptoethyl)-1,3-thiazolidines and their use as odorants and flavorings
    Patent number: 6313306
    Abstract: Substituted N-Mercaptoethyl-1,3-thiazolidines are novel compounds which can be used in odorants and flavorings.
    Type: Grant
    Filed: July 6, 2000
    Date of Patent: November 6, 2001
    Assignee: Haarmann & Reimer GmbH
    Inventors: Wolfgang Engel, Peter Schieberle, Matthias Güntert, Stefan Lambrecht
  • Hydroxymandelic acid amides of phenolic amines
    Patent number: 6265611
    Abstract: The present invention relates to hydroxymandelic acid amides of phenolic amines which can be used as antioxidants or as free-radical scavengers, particularly in the cosmetic or dermatological field, in foods and in cosmetic and dermatological compositions.
    Type: Grant
    Filed: February 10, 2000
    Date of Patent: July 24, 2001
    Assignee: Haarmann & Reimer GmbH
    Inventor: Jakob Peter Ley
  • Benzylidene-&ggr;-butyrolactones, process for their preparation and their use as UV absorber
    Patent number: 6258963
    Abstract: The invention relates to modified benzylidene-&ggr;-butyrolactones, to a process for their preparation and to the use as UV absorber, for example in pharmaceutical and cosmetic compositions, sunscreens, daycare and haircare products, for improving industrial products, such as paints, surface coatings, plastics, textiles, packaging materials and rubbers.
    Type: Grant
    Filed: December 9, 1999
    Date of Patent: July 10, 2001
    Assignee: Haarmann & Reimer GmbH
    Inventors: Oskar Koch, William Johncock, Roland Langner
  • Process for the preparation of 2,4,4,7-tetramethyl-oct-6-en-3-one and its use as an aroma substance
    Patent number: 6252120
    Abstract: 2,4,4,7-Tetramethyl-oct-6-en-3-one, as a perfume component, imparts new smell facets to perfume compositions. It can be prepared in a good yield by prenylation of 1-chloro-3-methyl-2-butene in a 2-phase process.
    Type: Grant
    Filed: October 9, 1996
    Date of Patent: June 26, 2001
    Assignee: Haarmann & Reimer GmbH
    Inventors: Erich Dilk, Peter Wörner
  • Process for the preparation of substituted cycloketones
    Patent number: 6222076
    Abstract: The invention relates to a novel process for the preparation of hydroxyalkyl- and acyloxyalkyl-substituted cycloketones by free-radical addition of hydroxyalkenes and acyloxyalkenes respectively to cyclic ketones.
    Type: Grant
    Filed: December 18, 1998
    Date of Patent: April 24, 2001
    Assignee: Haarmann & Reimer GmbH
    Inventors: Alfred Krempel, Oskar Koch, Harry Erfurt
  • Indanylidene compounds, a process for their preparation and their use as UV absorbers
    Patent number: 6153175
    Abstract: Compounds of the formula I according to claim 1 are excellently suitable as UV absorbers for use in cosmetic products, in particular sunscreen compositions, daytime care products and hair care products. They are furthermore suitable for protection of products.
    Type: Grant
    Filed: January 28, 1999
    Date of Patent: November 28, 2000
    Assignee: Haarmann & Reimer GmbH
    Inventors: Oskar Koch, Horst Surburg, Roland Langner, Horst Sommer
  • Furfurylthioalkanes, a process for their preparation and their use
    Patent number: 6153770
    Abstract: The invention relates to new furfurylthioalkanes of the formula ##STR1## wherein n can be zero or 1R represents the methyl or ethyl radical if n is 0, and represents hydrogen or the methyl radical if n is 1, andR' represents methyl or ethyl,a process for their preparation and their use as aroma substances.
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: November 28, 2000
    Assignee: Haarmann & Reimer
    Inventors: Heinz-Jurgen Bertram, Peter Werkhoff, Matthias Guntert
  • Fragrance-containing preparation
    Patent number: 6140303
    Abstract: The invention relates to a preparation which comprises perfume, polymer, aluminium stearate and essentially water. This gives a product which can be produced very easily at low cost and which has an unexpectedly linear fragrance release over a period of more than four weeks.
    Type: Grant
    Filed: August 18, 1998
    Date of Patent: October 31, 2000
    Assignee: Haarmann & Reimer GmbH
    Inventors: Wolfgang Wrede, Jorg Droge
  • Process for the preparation of vanillin and microorganisms suitable therefor
    Patent number: 6133003
    Abstract: Using newly discovered microorganisms of the family Pseudonocardiaceae, vanillin may be produced in high yields from ferulic acid. The microorganisms are two strains of Amycolatopsis.
    Type: Grant
    Filed: August 23, 1996
    Date of Patent: October 17, 2000
    Assignee: Haarmann & Reimer GmbH
    Inventors: Jurgen Rabenhorst, Rudolf Hopp
  • Phenolic acid amides of hydroxy-substituted benzylamines
    Patent number: 6117365
    Abstract: The invention relates to specific phenolic acid amides of hydroxy-substituted benzylamines of the formula I ##STR1## to a process for their preparation and to their use as antioxidants or as free-radical scavengers, in particular in the cosmetic or dermatological field, in foods and cosmetic and dermatological compositions comprising these phenolic acid amides.
    Type: Grant
    Filed: August 27, 1998
    Date of Patent: September 12, 2000
    Assignee: Haarmann & Reimer GmbH
    Inventor: Jakob Ley
  • 5-Z-octenyl esters, process for their preparation and their use
    Patent number: 6072077
    Abstract: 5-Z-octenyl esters of the formula ##STR1## in which R represents hydrogen, methyl or ethyl, have an intensive mango aroma, so that the compounds I can be added to fruit compositions and aroma compositions; they have flavor-intensifying and flavor-rounding action.
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: June 6, 2000
    Assignee: Haarmann & Reimer, GmbH
    Inventors: Heinz-Jurgen Bertram, Matthias Guntert, Gunter Kindel
  • Sulphonic acids and their use as UV absorbers
    Patent number: 6042814
    Abstract: Sulphonic acids of formula (I) in which the components and indices have the meanings given in the description, are eminently suitable as u/v absorbers, especially in cosmetic sun-screening agents.
    Type: Grant
    Filed: April 16, 1998
    Date of Patent: March 28, 2000
    Assignee: Haarmann & Reimer GmbH
    Inventors: Oskar Koch, Roland Langner, Alfred Krempel
  • N-acyl-hydroxyamino acid esters and their use
    Patent number: 6039939
    Abstract: N-Acyl-hydroxyamino acid alkyl esters help to strengthen the natural barrier function of the skin against environmental influences and external irritation. They improve the suppleness and the elasticity of skin and hair, help to increase the moisture content and protect skin and hair from drying out.
    Type: Grant
    Filed: March 13, 1998
    Date of Patent: March 21, 2000
    Assignee: Haarmann & Reimer GmbH
    Inventors: Jakob Ley, Roland Langner
  • Use of substituted benzazoles as UV absorbers, new benzazoles and processes for their preparation
    Patent number: 6037473
    Abstract: The invention relates to N-substituted benzazoles, processes for their preparation and their use as UV absorbers.
    Type: Grant
    Filed: April 23, 1999
    Date of Patent: March 14, 2000
    Assignee: Haarmann & Reimer GmbH
    Inventors: Erich Dilk, Roland Langner, William Johncock
  • 8-Ocimenyl esters and fragrances and flavors containing the same
    Patent number: 6034268
    Abstract: Compounds of the formula ##STR1## in which one of the radicals R.sup.1 and R.sup.2 is methyl and the other is vinyl and one of the radicals R.sup.3 and R.sup.4 is methyl and the other is ##STR2## in which R.sup.5 is hydrogen, alkyl or alkenyl, in particular C.sub.1 -C.sub.6 -alkyl or C.sub.2 -C.sub.6 -alkenyl, are particularly suitable as fragrances and flavors.
    Type: Grant
    Filed: November 4, 1998
    Date of Patent: March 7, 2000
    Assignee: Haarmann & Reimer GmbH
    Inventors: Horst Surburg, Horst Sommer, Stefan Lambrecht, Peter Worner, Matthias Guntert, Gunter Kindel, Volkmar Koppe