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Official data from INPI

PROCESSO PARA EVITAR OU REDUZIR A FORMAÇÃO DE INCRUSTAÇÕES NOS REATORES DE POLIMERIZAÇÃO DO CLORETO DE VINILA

Prazo de SigiloInvention Patent

Application data

Number

PI8902384

Type

Invention Patent

Filing

05/24/1989

Publication

01/16/1990

Progress at the INPI

  1. Filing05/24/89
  2. Publication01/16/90
  3. Examination03/24/92
  4. Allowance04/02/96
  5. Abandoned
  6. In force

The application was allowed on 04/02/1996 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Solvay & Cie

BE

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Inventors

J. C. (pessoa física)

BE

M. S. (pessoa física)

BE

R. W. (pessoa física)

Technical data

Priority claims

FR

88 07058 · 05/24/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/04/1989

RPI 976

Arquivamento - Art. 38 §2° da LPI

#11.4

01/27/1998

RPI 1414

Republicação - classificação IPC

#15.11

02/25/1997

RPI 1369

Notificação para pagamento de retribuição

#13.1

02/04/1997

RPI 1366

Deferimento

#9.1

04/02/1996

RPI 1322

Exigência - art. 36 da LPI

#6.1

06/27/1995

RPI 1282

Solicitação de exame técnico

#4.1

03/24/1992

RPI 1112

Publicação do pedido de patente

#3.1

01/16/1990

RPI 1002

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