Patents Assigned to Phytotech Limited
  • Patent number: 7341746
    Abstract: This application relates to a material which is suitable for the treatment of atopic disease, non-atopic eczema or psoriasis. The material can be extracted from a freeze-dried decoction of a mixture comprising the following Chinese herbs: Radix Ledebouriella, Fructus Tribuli, Herba Potentilla chinensis, Caulis Clematis armandii, Radix Rehmannia, Radix Glycyrrhiza, Radix Paeonia rubra, Cortex Dictamni radicis, Herba Lopatheri, Spica Schizonepetae. The material comprises one or more of those components present in the freeze-dried decoction which run with Rf values in the ranges 0.00 to 0.100, 0.167 to 0.300, 0.400 to 0.533, 0.700 to 0.833 or 0.900 to 0.967 if the freeze-dried decoction is diluted in aqueous solution and subjected to chromatography on a Whatman 2 cms×55 cms×3 mm cellulose strip for 10 hours using a solvent mixture of butanol, ethanol and water in the proportions 4:1:1.
    Type: Grant
    Filed: November 20, 2003
    Date of Patent: March 11, 2008
    Assignee: Phytotech Limited
    Inventors: Brian Anthony Whittle, Jonathan Brostoff, Yvette Latchman
  • Publication number: 20040101581
    Abstract: This application relates to a material which is suitable for the treatment of atopic disease, non-atopic eczema or psoriasis. The material can be extracted from a freeze-dried decoction of a mixture comprising the following Chinese herbs: Radix Ledebouriella, Fructus Tribuli, Herba Potentilla chinensis, Caulis Clematis armandii, Radix Rehmannia, Radix Glycyrrhiza, Radix Paeonia rubra, Cortex Dictamni radicis, Herba Lopatheri, Spica Schizonepetae. The material comprises one or more of those components present in the freeze-dried decoction which run with Rf values in the ranges 0.00 to 0.100, 0.167 to 0.300, 0.400 to 0.533, 0.700 to 0.833 or 0.900 to 0.967 if the freeze-dried decoction is diluted in aqueous solution and subjected to chromatography on a Whatman 2 cms×55 cms×3 mm cellulose strip for 10 hours using a solvent mixture of butanol, ethanol and water in the proportions 4:1:1.
    Type: Application
    Filed: November 20, 2003
    Publication date: May 27, 2004
    Applicant: Phytotech Limited
    Inventors: Brian Anthony Whittle, Jonathan Brostoff, Yvette Latchman
  • Patent number: 6676975
    Abstract: This application relates to a material which is suitable for the treatment of atopic disease, non-atopic eczema or psoriasis. The material can be extracted from a freeze-dried decoction of a mixture comprising the following Chinese herbs: Radix Ledebouriella, Fructus Tribuli, Herba Potentilla chinensis, Caulis Clematis armandii, Radix Rehmannia, Radix Glycyrrhiza, Radix Paeonia rubra, Cortex Dictamni radicis, Herba Lopatheri, Spica Schizonepetae. The material comprises one or more of those components present in the freeze-dried decoction which run with Rf values in the ranges 0.00 to 0.100, 0.167 to 0.300, 0.400 to 0.533, 0.700 to 0.833 or 0.900 to 0.967 if the freeze-dried decoction is diluted in aqueous solution and subjected to chromatography on a Whatman 2 cms×55 cms×3 mm cellulose strip for 10 hours using a solvent mixture of butanol, ethanol and water in the proportions 4:1:1.
    Type: Grant
    Filed: February 14, 2002
    Date of Patent: January 13, 2004
    Assignee: Phytotech Limited
    Inventors: Brian Anthony Whittle, Jonathan Brostoff, Yvette Latchman
  • Publication number: 20020192312
    Abstract: This application relates to a material which is suitable for the treatment of atopic disease, non-atopic eczema or psoriasis. The material can be extracted from a freeze-dried decoction of a mixture comprising the following Chinese herbs: Radix Ledebouriella, Fructus Tribuli, Herba Potentilla chinensis, Caulis Clematis armandii, Radix Rehmannia, Radix Glycyrrhiza, Radix Paeonia rubra, Cortex Dictamni radicis, Herba Lopatheri, Spica Schizonepetae. The material comprises one or more of those components present in the freeze-dried decoction which run with Rf values in the ranges 0.00 to 0.100, 0.167 to 0.300, 0.400 to 0.533, 0.700 to 0.833 or 0.900 to 0.967 if the freeze-dried decoction is diluted in aqueous solution and subjected to chromatography on a Whatman 2 cms×55 cms×3 mm cellulose strip for 10 hours using a solvent mixture of butanol, ethanol and water in the proportions 4:1:1.
    Type: Application
    Filed: February 14, 2002
    Publication date: December 19, 2002
    Applicant: Phytotech Limited
    Inventors: Brian Anthony Whittle, Jonathan Brostoff, Yvette Latchman
  • Patent number: 6399112
    Abstract: This application relates to a material which is suitable for the treatment of atopic disease, non-atopic eczema or psoriasis. The material can be extracted from a freeze-dried decoction of a mixture comprising the following Chinese herbs: Radix Ledebouriella, Fructus Tribuli, Herba Potentilla chinensis, Caulis Clematis armandii, Radix Rehmannia, Radix Glycyrrhiza, Radix Paeonia rubra, Cortex Dictamni radicis, Herba Lopatheri, Spica Schizonepetae. The material comprises one or more of those components present in the freeze-dried decoction which run with Rf values in the ranges 0.00 to 0.100, 0.167 to 0.300, 0.400 to 0.533, 0.700 to 0.833 or 0.900 to 0.967 if the freeze-dried decoction is diluted in aqueous solution and subjected to chromatography on a Whatman 2 cms×55 cms×3 mm cellulose strip for 10 hours using a solvent mixture of butanol, ethanol and water in the proportions 4:1:1.
    Type: Grant
    Filed: December 24, 1996
    Date of Patent: June 4, 2002
    Assignee: Phytotech Limited
    Inventors: Brian Anthony Whittle, Jonathan Brostoff, Yvette Latchman
  • Patent number: 6350478
    Abstract: Extracts of herbs of the Artemisia family, some of which have been known in traditional medicine to have anti-diabetic effects, are fractionated chromatographically to remove unacceptable mutagenetic properties while retaining effectiveness against Diabetes mellitus. Certain fractions are found to be insulinomemetic while others have glucagon antagonistic properties. Mixtures of such fractions have optimum clinical effect.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: February 26, 2002
    Assignee: Phytotech Limited
    Inventors: Brian Anthony Whittle, Paul Geoffrey Skett