Disclosed is a pyrazolonaphthyridine compound represented by the formula: ##STR1## wherein R.sup.1 is represents hydrogen, lower alkyl, aralkyl, or substituted or unsubstituted aryl, R.sup.2 represents hydrogen, lower alkyl, thienyl, substituted or unsubstituted aryl, hydroxy or amino, or a pharmaceutically acceptable salt thereof. The compound possesses antiinflammatory effect, immunosuppressive effect, broncho-dilatory effect and hair growth-stimulative effect.

Claims

6 · 1 independent · depth 3

6 granted claims

›1.independentA pyrazolonaphthyridine compound represented by the formula: ##STR20## wherein R.sup.1 represents hydrogen, lower alkyl, aralkyl, or substituted or un…+5

Classifications

3 codes

USPC · US Patent Classification

514/293546/82514/880

Claim changes

Soon

Coming soonHow the claims changed between publication and grant

See which claims were amended, added or cancelled during examination, with every added and removed word marked.

AmendedAddedCancelledUnchanged

The published claims of this patent are not paired with the granted ones in what we hold.

File wrapper

Pendency

0.6 y

222 days filing → grant

Office actions

on the grant's record

Examiner

Marianne M. Cintins

art unit —

Law firm

Law firm · Log in to unlock

Citations: 4 back · 0 forward

Term & fees

See the term timeline — pendency span, in-force span, the maintenance fees paid and both computed expiry dates.

Validity challenges

See the validity challenges on record — reexaminations, IPRs and PGRs, with their institution decisions and outcomes.

Citations

See every patent this one cites and every patent that cites it back — publication, assignee, and how each one was found.