Patent Yard Sign in
Likely abandonedArchiveSolo inventor

Method for suppressing discoloration over time of adhesive preparation containing donepezil

US 2010/0048628 A1 · Inventors: Nishi; Sumiyo et al.

USPTO PDF

Overview

The published document from the USPTO: abstract, claims, description and drawings. Open it full size

Read the whole patent

Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Published February 25, 2010, and no patent has issued anywhere in its US family since.
  • Nothing has been filed in its family for more than seven years, so it is very unlikely to still be pending.
  • This status is inferred from USPTO records. Confirm it on Patent Center before relying on it.
FiledNovember 30, 2007
PublishedFebruary 25, 2010
StatusAbandoned (inferred)
Application number12/517004
Classification (CPC)A61K31/445 +2 more
Length13 pages

Timeline

Timeline From USPTO dates

200820092010Application filedNov 30, 2007Application publishedFeb 25, 2010

Sources & verification