Patents by Inventor Longlong Feng

Longlong Feng 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).

  • Publication number: 20250017943
    Abstract: The present invention provides a pharmaceutical composition of diltiazem hydrochloride. The pharmaceutical composition is preferably a gel and comprises diltiazem hydrochloride and excipients including propylene glycol, benzoic acid, and a gel matrix, which comprises one or both of povidone and hydroxypropyl cellulose. Based on percentage by weight, the diltiazem hydrochloride accounts for 1%-5%, the gel matrix accounts for 5%-10%, with pH maintained at 3.0-4.5. A preparation method is provided accordingly, with simple and readily available raw materials and stable quality.
    Type: Application
    Filed: September 30, 2024
    Publication date: January 16, 2025
    Applicant: Auson Pharmaceuticals, Inc.
    Inventors: Peng Hou, Enxian Lu, Longlong Feng
  • Patent number: 12102683
    Abstract: The present invention provides a pharmaceutical composition of diltiazem hydrochloride. The pharmaceutical composition is preferably a gel and consists of diltiazem hydrochloride and excipients including propylene glycol, benzoic acid, and a gel matrix, which is one of or a mixture of povidone and hydroxypropyl cellulose. Based on percentage by weight, the diltiazem hydrochloride accounts for 1%-5%, the benzoic acid accounts for 0.1%-5.0%, the gel matrix accounts for 5%-10%, and the balance is propylene glycol, with pH maintained at 3.0-4.5. A preparation method is provided accordingly, with simple and readily available raw materials and stable quality.
    Type: Grant
    Filed: December 5, 2023
    Date of Patent: October 1, 2024
    Assignee: AUSON PHARMACEUTICALS INC.
    Inventors: Peng Hou, Enxian Lu, Longlong Feng
  • Publication number: 20240108729
    Abstract: The present invention provides a pharmaceutical composition of diltiazem hydrochloride. The pharmaceutical composition is preferably a gel and consists of diltiazem hydrochloride and excipients including propylene glycol, benzoic acid, and a gel matrix, which is one of or a mixture of povidone and hydroxypropyl cellulose. Based on percentage by weight, the diltiazem hydrochloride accounts for 1%-5%, the benzoic acid accounts for 0.1%-5.0%, the gel matrix accounts for 5%-10%, and the balance is propylene glycol, with pH maintained at 3.0-4.5. A preparation method is provided accordingly, with simple and readily available raw materials and stable quality.
    Type: Application
    Filed: December 5, 2023
    Publication date: April 4, 2024
    Applicant: Auson Pharmaceuticals, Inc.
    Inventors: Peng Hou, Enxian Lu, Longlong Feng
  • Patent number: 11712417
    Abstract: Disclosed herein is a fast-dispersing suspending composition which promotes the formation of a suspension for pharmaceutical, food and veterinary products. The composition includes a suspending agent, a diluent, and a glidant, wherein the amounts of these agents are selected to enable the dispersion of the composition and the formation of the suspension. Also disclosed are a method of forming a suspension of a solid dosage form and a method of administering the resulting suspension to a subject.
    Type: Grant
    Filed: June 8, 2022
    Date of Patent: August 1, 2023
    Assignee: AUSON PHARMACEUTICALS INC.
    Inventors: Enxian Lu, Peng Hou, Longlong Feng, Long Wang
  • Publication number: 20230190646
    Abstract: Disclosed herein is a fast-dispersing suspending composition which promotes the formation of a suspension for pharmaceutical, food and veterinary products. The composition includes a suspending agent, a diluent, and a glidant, wherein the amounts of these agents are selected to enable the dispersion of the composition and the formation of the suspension. Also disclosed are a method of forming a suspension of a solid dosage form and a method of administering the resulting suspension to a subject.
    Type: Application
    Filed: June 8, 2022
    Publication date: June 22, 2023
    Applicant: Shanghai Auson Pharmaceuticals Co., Ltd.
    Inventors: Enxian Lu, Peng Hou, Longlong Feng, Long Wang