Patents Assigned to Chemisches Laboratorium Dr. Kurt Richter GmbH
  • Patent number: 9549957
    Abstract: The present invention relates to an active agent complex of extracts of Poria cocos and a species of the genus Phragmites, in particular Phragmites kharka (also Phragmites karka), formulations comprising said active agent complex as well as to the use of the formulations of the invention for the strengthening, maintenance and quicker restoration of epidermal integrity.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: January 24, 2017
    Assignee: Chemisches Laboratorium, Dr. Kurt Richter, GMBH
    Inventor: Sabrina John
  • Patent number: 7527811
    Abstract: The present invention pertains to topical formulations having a depigmenting effect on human skin for cosmetic and pharmaceutical use. Moreover the present invention also provides a new process for producing an extract of Bellis perennis L. by aqueous extraction comprising fractionation and electrolyte exchange and an extract produced by the process of the present invention.
    Type: Grant
    Filed: December 23, 2003
    Date of Patent: May 5, 2009
    Assignee: CLR Chemisches Laboratorium Dr. Kurt Richter GmbH
    Inventor: Sabrina John
  • Patent number: 6790434
    Abstract: The invention relates to cosmetic compositions for topical application for counteracting UV radiation induced skin damage comprising as active substances a first component which comprises inactivated bacteria selected from the group consisting of the genus Bifidobacterium, Actinomycetaceae, Propionimycetaceae, Lactobacillaceae and Coryneform bacteria and a second component which comprises an extract of plant extracellular matrix. Preferably, the plant extracellular matrix is selected from the group consisting of glycoproteins, carbohydrate polymers and arabinogalactan proteins. Processes for using the cosmetic compositions are also described.
    Type: Grant
    Filed: November 5, 2001
    Date of Patent: September 14, 2004
    Assignee: Chemisches Laboratorium Dr. Kurt Richter GmbH
    Inventors: Stefan Borchert, Rolf-Dieter Petersen
  • Patent number: 5547997
    Abstract: The invention provides compositions for the repair and remodelling of sun damaged and aged skin. The composition comprises a component of plant extracellular matrix extract in substantially native conformation, and can include a cosmetic carrier. In particular, the composition can include a glycoprotein of a plant extracellular matrix composition, a carbohydrate polymer of plant extracellular matrix composition, and mixtures thereof, each in substantially native conformation. Plant extracellular matrix extracts from Kudzu and maize are obtained.
    Type: Grant
    Filed: October 1, 1991
    Date of Patent: August 20, 1996
    Assignee: Chemisches Laboratorium Dr. Kurt Richter GmbH
    Inventor: Martin Kludas
  • Patent number: 5055298
    Abstract: A cosmetic agent for remodeling and repairing the basement membrane of aging human skin and/or human skin damaged, for example, by ultraviolet radiation. The agent contains the essential components of the extracellular connective tissue matrix in native form and in physiological proportions. The components are obtained from mammals.
    Type: Grant
    Filed: October 10, 1986
    Date of Patent: October 8, 1991
    Assignee: Chemisches Laboratorium Dr. Kurt Richter GmbH
    Inventor: Martin Kludas