MUMBAI, India, Oct. 12 -- Intellectual Property India has published a patent application (202621101276 A) filed by Prof. Poonam Sharma; and Prof. Rambir Singh on August 21, 2026, for Eucalyptus Essential Oil Nanoemulsion For Inhibiting Multi Drug Resistant Neisseria Gonorrhoeae And Preparation Method Thereof.
Inventors include Prof. Poonam Sharma; Prof. Rambir Singh; Dr. Sadhucharan Mallick; Hansa Kashyap; Vaishali Halwai; Suraj Kumar Mishra; and Sanju Rathore.
The application for the patent was published on October 09, 2026, under issue no. 41/2026.
Abstract: The present invention relates to an oil-in-water nanoemulsion of eucalyptus (E. globulus) essential oil, and a method of its preparation, for inhibiting growth, biofilm formation and quorum sensing in multidrug-resistant N gonorrhoeae. The nanoemulsion comprises eucalyptus essential oil, a non-ionic surfactant such as Tween 80, ethanol as co-surfactant and water, prepared by spontaneous emulsification followed by ultrasonication to yield stable nanoscale droplets with a slightly negative zeta potential. The formulation exhibits potent antibacterial activity, low minimum inhibitory and bactericidal concentrations, concentration-dependent biofilm inhibition and marked anti-quorum sensing activity against drug-resistant gonococcal isolates. By converting a volatile, poorly soluble essential oil into a stable, multi-target nanoformulation, the invention provides an inexpensive plant-based alternative to failing antibiotics
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