Patent · US Active

Methods of making polymorphs of benzoate salt of 2-[[6-[(3R)-3-amino-1-piperidinyl]-3,4-dihydro-3-methyl-2,4-dioxo-1(2H)-pyrimidinyl]methyl]-benzonitrile

US8324383B2 · kind B2 · utility

0Cited by

104References

1Claims

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Assignee

Takeda Pharmaceutical Company Limited · JP

Inventors

Mark Andres · West Lafayette, US
Keith Lorimer · West Lafayette, US

Key dates

Filing date	Aug 5, 2009
Grant date	Dec 4, 2012
Priority date	—
Expiry date	Feb 26, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D401/04
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Methods of making polymorphs of the benzoate salt of 2-[[6-[(3r)-3-amino-1-piperidinyl]-3,4-dihydro-3-methyl-2,4-dioxo-1(2h)-pyrimidinyl]methyl]-benzonitrile.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.