Patents by Inventor Umesh Aher

Umesh Aher 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).

  • Donepezil Hydrochloride Form VI
    Publication number: 20070123565
    Abstract: The present invention discloses a novel, stable polymorph of 1-benzyl-4-[(5,6-dimethoxy-1-indanone)-2-yl] methyl piperidine hydrochloride commonly known as Donepezil hydrochloride. Further the present invention discloses a process for producing Donepezil HCl amorphous and its polymorph Form (VI).
    Type: Application
    Filed: November 8, 2006
    Publication date: May 31, 2007
    Inventors: Umesh Aher, Venkatasubramanian Tarur, Dhananjay Sathe, Avinash Naidu, Kamlesh Sawant
  • Process for producing a polymorphic form of (1-Benzyl-4-[(5,6-dimethoxy-1-indanone)-2-yl] methyl piperidine hydrochloride (donepezil hydrochloride)
    Publication number: 20050288330
    Abstract: The present invention discloses a novel, stable polymorph of 1-benzyl-4-[(5,6-dimethoxy-1-indanone)-2-yl]methyl piperidine hydrochloride commonly known as Donepezil hydrochloride. Further the present invention discloses a process for producing Donepezil HCl amorphous and it's polymorph Form (VI).
    Type: Application
    Filed: March 4, 2005
    Publication date: December 29, 2005
    Inventors: Avinash Naidu, Venkatasubramanian Tarur, Dhanajay Sathe, Umesh Aher
  • Polymorph of (1-benzyl-4-[(5,6-dimethoxy-1-indanone)-2-y1] methyl piperidine hydrochloride (Donepezil hydrochloride) and a process for producing thereof
    Publication number: 20050272775
    Abstract: The present invention discloses a novel, stable polymorph of 1-benzyl-4[(5,6-dimethoxy-1-indanone)-2-yl]methyl piperidine hydrochloride commonly known as Donepezil hydrochloride. Further the present invention discloses a process for producing Donepezil HCl amorphous and its polymorph Form (VI).
    Type: Application
    Filed: June 3, 2005
    Publication date: December 8, 2005
    Inventors: Umesh Aher, Venkatasubramanian Tarur, Dhananjay Sathe, Avinash Naidu, Kamlesh Sawant
  • Novel pharmaceutical salt of (1-benzyl-4-[(5,6-dimethoxy-1-indanone)-2-yl] methyl piperidine (Donepezil)
    Publication number: 20050107613
    Abstract: The present invention relates to the oxalate salt of 1-benzyl-4-[(5,6-dimethoxy-1-indanone)-2-yl]methyl piperidine, commonly known as Donepezil, and its method of preparation.
    Type: Application
    Filed: June 29, 2004
    Publication date: May 19, 2005
    Inventors: Venkatasubramanian Tarur, Dhananjay Sathe, Avinash Naidu, Umesh Aher