USPTO Patent Applications - Organic Chemistry (C07D)

Method for Preparing Indigo or Substituted Derivative

The USPTO has published a patent application (US20260085042A1) detailing a method for synthesizing indigo or substituted derivatives. The application, filed on June 16, 2023, describes a process involving anthranilic acid and glyoxylic acid under hydrogenation with a metal catalyst.

Patent Application: 7-Cyano-8-Hydroxyquinoline Derivative Medical Use

The USPTO has published a patent application for a 7-cyano-8-hydroxyquinoline derivative, its preparation method, and its medical use in treating infectious diseases or cancer. The application details a compound with potential antibacterial, antiviral, and antitumor activity.

Lamotrigine Salts, Co-crystals, and Compositions Patent Application

The USPTO has published a patent application (US20260083745A1) for lamotrigine oral suspension and its preparation method, filed by Azurity Pharmaceuticals Ireland Limited. The application details a formulation designed to improve the stability and redispersibility of lamotrigine suspensions.

USPTO Patent Application: Light Emitting Element and Polycyclic Compound

The USPTO has published a patent application for a novel polycyclic compound and a light emitting element that includes it. The application, filed on November 19, 2025, aims to improve luminous efficiency in light emitting devices.

USPTO Patent Application: Heterocyclic Compound for Organic Light Emitting Devices

The USPTO has published a patent application detailing a novel heterocyclic compound for use in organic light-emitting devices (OLEDs). The application, filed by inventors from South Korea, claims improvements in driving voltage, light emission efficiency, and device lifetime.

USPTO Patent Application for Organic Optoelectronic Device Compound

The USPTO has published a patent application (US20260082808A1) detailing a new compound and composition for organic optoelectronic devices and display devices. The application was filed on September 8, 2025, and published on March 19, 2026.

USPTO Patent Application for Organic Light-Emitting Device Compound

The USPTO has published a patent application (US20260082806A1) for a new compound and an organic light-emitting device incorporating it. The application details a compound of Chemical Formula 1, which may offer low driving voltage, high light emitting efficiency, or a long service life.

USPTO Patent Application: Organic Electroluminescent Materials and Devices

The USPTO has published a patent application by Universal Display Corporation for organic electroluminescent materials and devices. The application details organometallic compounds, formulations, and organic light emitting devices (OLEDs) utilizing these compounds.