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Official data from INPI

PÓ DE POLÍMERO

Em AnáliseInvention PatentPCT · US2012048429

Application data

Number

112014001001

Type

Invention Patent

Filing

07/27/2012

Publication

02/21/2017

PCT

US2012048429

Progress at the INPI

  1. Filing07/27/12
  2. Publication02/21/17
  3. Examination
  4. Allowance01/21/20
  5. Grant02/18/20
  6. In force07/27/32

The patent was granted on 02/18/2020 and is in force until 07/27/2032. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:07/27/2032

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Latest action published by the INPI: 02/28/2023. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DUPONT SAFETY & CONSTRUCTION, INC.

US

E.I. DU PONT DE NEMOURS AND COMPANY

US

See this company's full portfolio

Inventors

K. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

61/513,053 · 07/29/2011

US

61/513,056 · 07/29/2011

Abstract

Pà DE POLÃMERO.A presente invenção se refere ao pó de polímero que compreende o 2-(4-amino fenil)-5(6)-amino benzimidazol (DAPBI), a parafenileno diamina, e o dicloreto de tereftaloíla, capaz de ser dissolvido em um sistema solvente que compreende: (i) a N-metil-2-pirrolidona (NMP) ou dimetilacetamida (DMAC) e (ii) um sal inorgânico, em que dito polímero é capaz de ser redissolvido em dito sistema solvente após dito polímero ter sido removido de dito sistema solvente.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Transferência deferida

#25.1

02/28/2023

RPI 2721

Concessão da patente

#16.1

20 (vinte) anos contados a partir de 27/07/2012, observadas as condições legais

02/18/2020

RPI 2563

Deferimento

#9.1

01/21/2020

RPI 2559

Exigência preliminar

#6.21

09/17/2019

RPI 2541

Notificação de entrada na fase nacional - PCT

#1.3

02/21/2017

RPI 2407

Alteração de dados cadastrais

#1.1

10/21/2014

RPI 2285

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