Patents by Inventor Xiongwei David He
Xiongwei David He 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).
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Publication number: 20210220285Abstract: An acid resistant capsule comprises at least one hard capsule shell, said shell comprising: an enteric polymer having acid groups; a film-forming aid; and an alkaline material, wherein said alkaline material is present in an amount such that said carboxylic acid groups of said enteric polymer have a degree of ionization of less than 15%.Type: ApplicationFiled: April 7, 2021Publication date: July 22, 2021Applicant: Capsugel Belgium NVInventors: Xiongwei David He, Stefaan Jaak Vanquickenborne, Jonathan Leonard Cape, Dwayne Thomas Friesen
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Patent number: 10874619Abstract: The present invention relates to new acid resistant hard pharmaceutical capsules, a process for their manufacture and use of such capsules particularly but not exclusively for oral administration of pharmaceuticals, veterinary products, food and dietary supplements to humans or animals. The capsules of the invention are obtained by aqueous compositions comprising a water soluble film forming polymer and gellan gum in a mutual weight ratio of 4 to 15 weight parts of gellan gum for 100 weight parts of film forming polymer.Type: GrantFiled: February 21, 2019Date of Patent: December 29, 2020Assignee: Capsugel Belgium, NVInventors: Dominique Nicolas Cade, Xiongwei David He
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Publication number: 20190240160Abstract: An acid resistant capsule comprises at least one hard capsule shell, said shell comprising: an enteric polymer having acid groups; a film-forming aid; and an alkaline material, wherein said alkaline material is present in an amount such that said carboxylic acid groups of said enteric polymer have a degree of ionization of less than 15%.Type: ApplicationFiled: July 20, 2017Publication date: August 8, 2019Applicant: Capsugel Belgium NVInventors: Xiongwei David He, Stefaan Jaak Vanquickenborne, Jonathan Leonard Cape, Dwayne Thomas Friesen
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Publication number: 20190175514Abstract: The present invention relates to new acid resistant hard pharmaceutical capsules, a process for their manufacture and use of such capsules particularly but not exclusively for oral administration of pharmaceuticals, veterinary products, food and dietary supplements to humans or animals. The capsules of the invention are obtained by aqueous compositions comprising a water soluble film forming polymer and gellan gum in a mutual weight ratio of 4 to 15 weight parts of gellan gum for 100 weight parts of film forming polymer.Type: ApplicationFiled: February 21, 2019Publication date: June 13, 2019Applicant: Capsugel Belgium NVInventors: Dominique Nicolas Cade, Xiongwei David He
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Patent number: 10231934Abstract: The present invention relates to new acid resistant hard pharmaceutical capsules, a process for their manufacture and use of such capsules particularly but not exclusively for oral administration of pharmaceuticals, veterinary products, food and dietary supplements to humans or animals. The capsules of the invention are obtained by aqueous compositions comprising a water soluble film forming polymer and gellan gum in a mutual weight ratio of 4 to 15 weight parts of gellan gum for 100 weight parts of film forming polymer.Type: GrantFiled: May 4, 2017Date of Patent: March 19, 2019Assignee: Capsugel Belgium NVInventors: Dominique Nicolas Cade, Xiongwei David He
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Publication number: 20170231918Abstract: The present invention relates to new acid resistant hard pharmaceutical capsules, a process for their manufacture and use of such capsules particularly but not exclusively for oral administration of pharmaceuticals, veterinary products, food and dietary supplements to humans or animals. The capsules of the invention are obtained by aqueous compositions comprising a water soluble film forming polymer and gellan gum in a mutual weight ratio of 4 to 15 weight parts of gellan gum for 100 weight parts of film forming polymer.Type: ApplicationFiled: May 4, 2017Publication date: August 17, 2017Applicant: Capsugel Belgium NVInventors: Dominique Nicolas Cade, Xiongwei David He
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Patent number: 9700517Abstract: The present invention relates to new acid resistant hard pharmaceutical capsules, a process for their manufacture and use of such capsules particularly but not exclusively for oral administration of pharmaceuticals, veterinary products, food and dietary supplements to humans or animals. The capsules of the invention are obtained by aqueous compositions comprising a water soluble film forming polymer and gellan gum in a mutual weight ratio of 4 to 15 weight parts of gellan gum for 100 weight parts of film forming polymer.Type: GrantFiled: August 27, 2014Date of Patent: July 11, 2017Assignee: Capsugel Belgium NVInventors: Dominique Nicolas Cade, Xiongwei David He
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Publication number: 20150050334Abstract: The present invention relates to new acid resistant hard pharmaceutical capsules, a process for their manufacture and use of such capsules particularly but not exclusively for oral administration of pharmaceuticals, veterinary products, food and dietary supplements to humans or animals. The capsules of the invention are obtained by aqueous compositions comprising a water soluble film forming polymer and gellan gum in a mutual weight ratio of 4 to 15 weight parts of gellan gum for 100 weight parts of film forming polymer.Type: ApplicationFiled: August 27, 2014Publication date: February 19, 2015Inventors: Dominique Nicolas Cade, Xiongwei David He
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Patent number: 8852631Abstract: The present invention relates to new acid resistant hard pharmaceutical capsules, a process for their manufacture and use of such capsules particularly but not exclusively for oral administration of pharmaceuticals, veterinary products, food and dietary supplements to humans or animals. The capsules of the invention are obtained by aqueous compositions comprising a water soluble film forming polymer and gellan gum in a mutual weight ratio of 4 to 15 weight parts of gellan gum for 100 weight parts of film forming polymer.Type: GrantFiled: September 14, 2010Date of Patent: October 7, 2014Assignee: Capsugel Belgium NVInventors: Dominique Nicolas Cade, Xiongwei David He
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Publication number: 20120288562Abstract: The present invention relates to new acid resistant hard pharmaceutical capsules, a process for their manufacture and use of such capsules particularly but not exclusively for oral administration of pharmaceuticals, veterinary products, food and dietary supplements to humans or animals. The capsules of the invention are obtained by aqueous compositions comprising a water soluble film forming polymer and gellan gum in a mutual weight ratio of 4 to 15 weight parts of gellan gum for 100 weight parts of film forming polymer.Type: ApplicationFiled: September 14, 2010Publication date: November 15, 2012Inventors: Dominique Nicolas Cade, Xiongwei David He
