Tilapia Skin Freeze-Dried Biological Dressing Patent

ChangeBridge: Patent Grants - Pharma (A61K)

Published March 31st, 2026

Detected March 31st, 2026

Summary

USPTO granted patent US12589121B2 to Universidade Federal do Ceará for a method of producing freeze-dried tilapia skin biological dressings for wound treatment in humans and animals. The patent covers a multi-step process including cleaning, detergent incubation, bactericidal treatment, detoxifying, antibiotic treatment, freeze-drying, and sterilization. This is a routine patent issuance with no immediate regulatory compliance requirements.

View original document View source feed page

What changed

USPTO granted patent US12589121B2 on March 31, 2026, covering a method for producing occlusive biological dressings from freeze-dried tilapia skin. The process involves cleaning by scraping, washing with saline, incubation with biocompatible detergent and bactericidal agents, detoxifying solution treatment, antibiotic incubation, freezing, cold freeze-drying, vacuum sealing, and sterilization. The patent specifically covers use of tilapia skin to prepare remedies for treating lesions in humans and animals.

This patent grant represents a routine intellectual property issuance with no immediate compliance deadlines. Pharmaceutical companies, medical device manufacturers, and healthcare providers developing biological wound dressings should be aware of this newly granted patent when designing competing products. No action is required for entities not working with tilapia-derived biological dressings.

Source document (simplified)

← USPTO Patent Grants

Method for obtaining occlusive biological dressing, occlusive biological dressing, use thereof and kit

Grant US12589121B2 Kind: B2 Mar 31, 2026

Assignee

UNIVERSIDADE FEDERAL DO CEARÁ

Inventors

Manoel Odorico De Moraes Filho, Maria Elisabete Amaral De Moraes, Felipe Augusto Rocha Rodrigues, Carlos Roberto Koscky Paier

Abstract

The present invention describes a method for obtaining freeze-dried tilapia skin, comprising the steps of cleaning by scraping, washing with physiological saline solution and trimming the edges of the skin; incubation with biocompatible detergent in a sterile recipient and rinsing, incubation with bactericidal agent in sterile recipient and rinsing, incubating with detoxifying solution and rinsing, incubation with antibiotics, rinsing and freezing, cold freeze-drying, vacuum sealing and sterilization, and more specifically the present invention includes the use of tilapia skin to prepare a remedy for treating lesions in humans and animals. The present invention relates to the fields of pharmacy, medicine, dentistry, veterinary medicine, chemistry, biotechnology and tissue engineering.