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Official data from INPI

Compostos branqueadores óticos, uso dos mesmos e processos para a preparação dos referidos compostos e para o branqueamento ótico de papel

ConcedidaInvention PatentPCT · EP2009052919 Official document available

Application data

Number

PI0909518

Type

Invention Patent

Filing

03/12/2009

Publication

09/22/2015

PCT

EP2009052919

Patent grant document available

We have the complete official document for this filing, as published by INPI.

Access the document

Progress at the INPI

  1. Filing03/12/09
  2. Publication09/22/15
  3. Examination
  4. Allowance10/09/18
  5. Grant11/27/18
  6. In force03/12/29

The patent was granted on 11/27/2018 and is in force until 03/12/2029. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:03/12/2029

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Latest action published by the INPI: 11/27/2018. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ARCHROMA IP GMBH

CH

CLARIANT FINANCE ( BVI ) LIMITED

VG

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Inventors

A. J. (pessoa física)

CH

C. K. (pessoa física)

FR

D. P. (pessoa física)

CH

Technical data

Priority claims

EP

08 102906.8 · 03/26/2008

EP

08 171223.4 · 12/10/2008

EP

08 171480.0 · 12/12/2008

Abstract

COMPOSTOS BRANQUEADORES ÃTICOS, USO DOS MESMOS E PROCESSOS PARA A PREPARAÃÃO DOS REFERIDOS COMPOSTOS E PARA O BRANQUEAMENTO ÃTICO DE PAPEL.A presente invenção refere-se a sais mistos de branqueadores óticos de fórmula (1) na qual M representa uma mistura de Mg2+ com outro cátion, que proporciona efeitos superiores de branqueamento ótico quando aplicados à superfície de papel.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/27/2018

RPI 2499

Deferimento

#9.1

10/09/2018

RPI 2492

Conhecimento de parecer técnico

#7.1

06/05/2018

RPI 2474

Transferência deferida

#25.1

05/16/2017

RPI 2419

Notificação de entrada na fase nacional - PCT

#1.3

09/22/2015

RPI 2333

Alteração de dados cadastrais

#1.1

08/30/2011

RPI 2121

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