Patents Assigned to Phytotech Limited
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Patent number: 7341746Abstract: 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: GrantFiled: November 20, 2003Date of Patent: March 11, 2008Assignee: Phytotech LimitedInventors: Brian Anthony Whittle, Jonathan Brostoff, Yvette Latchman
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Publication number: 20040101581Abstract: 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: ApplicationFiled: November 20, 2003Publication date: May 27, 2004Applicant: Phytotech LimitedInventors: Brian Anthony Whittle, Jonathan Brostoff, Yvette Latchman
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Patent number: 6676975Abstract: 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: GrantFiled: February 14, 2002Date of Patent: January 13, 2004Assignee: Phytotech LimitedInventors: Brian Anthony Whittle, Jonathan Brostoff, Yvette Latchman
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Publication number: 20020192312Abstract: 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: ApplicationFiled: February 14, 2002Publication date: December 19, 2002Applicant: Phytotech LimitedInventors: Brian Anthony Whittle, Jonathan Brostoff, Yvette Latchman
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Patent number: 6399112Abstract: 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: GrantFiled: December 24, 1996Date of Patent: June 4, 2002Assignee: Phytotech LimitedInventors: Brian Anthony Whittle, Jonathan Brostoff, Yvette Latchman
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Patent number: 6350478Abstract: 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: GrantFiled: March 27, 1997Date of Patent: February 26, 2002Assignee: Phytotech LimitedInventors: Brian Anthony Whittle, Paul Geoffrey Skett