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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE POLÍMERO SUPERABSORVENTE

ConcedidaInvention PatentPCT · IB2020050640

Application data

Number

112021014185

Type

Invention Patent

Filing

01/28/2020

Publication

09/21/2021

PCT

IB2020050640

Progress at the INPI

  1. Filing01/28/20
  2. Publication09/21/21
  3. Examination
  4. Allowance10/14/25
  5. Grant11/11/25
  6. In force01/28/40

The patent was granted on 11/11/2025 and is in force until 01/28/2040. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:01/28/2040

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Latest action published by the INPI: 11/11/2025. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UPL LTD

IN

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Inventors

P. T. (pessoa física)

IN

P. K. (pessoa física)

IN

Technical data

IPC Classification

Priority claims

IN

201931003588 · 01/29/2019

Abstract

A presente invenção se refere a um processo para a preparação de polímero superabsorvente com alta absortividade de fluidos. A presente invenção se refere, também, a uma composição compreendendo as ditas partículas de polímero superabsorvente e seu uso para absorção de fluidos aquosos, por exemplo, na indústria agrícola.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

Prazo de Validade: 20 (vinte) anos contados a partir de 28/01/2020, observadas as condições legais

11/11/2025

RPI 2862

Deferimento

#9.1

10/14/2025

RPI 2858

Exigência - art. 36 da LPI

#6.1

08/12/2025

RPI 2849

Parecer de pré-exame

#6.23

08/29/2023

RPI 2747

Notificação de entrada na fase nacional - PCT

#1.3

09/21/2021

RPI 2646

Alteração de dados cadastrais

#1.1

07/27/2021

RPI 2638

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