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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE POLÍMEROS DE VINIL-SACARÍDEO SOLÚVEIS EM ÁGUA.

PublicadaInvention Patent

Application data

Number

PI8701111

Type

Invention Patent

Filing

03/11/1987

Publication

12/29/1987

Progress at the INPI

  1. Filing03/11/87
  2. Publication12/29/87
  3. Examination08/14/90
  4. Allowance01/18/94
  5. Abandoned
  6. In force

The application was allowed on 01/18/1994 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: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

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Inventors

T. G. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

NL

8606249 · 03/13/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/29/1987

RPI 897

Pedido de patente depositado

#2.1

06/23/1987

RPI 870

Republicação - classificação IPC

#15.11

02/18/1997

RPI 1368

Arquivamento - Art. 38 §2° da LPI

#11.4

10/18/1994

RPI 1246

Notificação para pagamento de retribuição

#13.1

05/10/1994

RPI 1223

Deferimento

#9.1

01/18/1994

RPI 1207

Exigência - art. 36 da LPI

#6.1

03/02/1993

RPI 1161

Solicitação de exame técnico

#4.1

08/14/1990

RPI 1028

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