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Official data from INPI

PROCESSO DE POLIMERIZAÇÃO DE HALOGENETO DE VINILA EM EMULSÃO AQUOSA.

Prazo de SigiloInvention Patent

Application data

Number

PI8903373

Type

Invention Patent

Filing

07/07/1989

Publication

01/08/1991

Progress at the INPI

  1. Filing07/07/89
  2. Publication01/08/91
  3. Examination04/27/93
  4. Allowance10/07/97
  5. Grant06/01/99
  6. Expired12/26/12

The letters patent expired on 12/26/2012: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Trikem S.A

BA, BR

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Inventors

L. F. (pessoa física)

BR

M. L. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/24/1989

RPI 992

Carta-patente expirada

#21.1

Patente extinta em 07/07/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

06/01/1999

RPI 1482

Alteração de nome deferida

#25.4

01/06/1998

RPI 1411

Deferimento

#9.1

10/07/1997

RPI 1401

Exigência - art. 36 da LPI

#6.1

09/24/1996

RPI 1347

Exigência - art. 36 da LPI

#6.1

05/23/1995

RPI 1277

Solicitação de exame técnico

#4.1

04/27/1993

RPI 1169

Publicação do pedido de patente

#3.1

01/08/1991

RPI 1049

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