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Official data from INPI

PROCESSO PARA PRODUÇÃO DE POLPA DISSOLVENTE DE QUALIDADE E PROCESSO PARA REDUÇÃO DE TEOR DE LIGNINA DE POLPA NÃO DESCORADA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9100565

Type

Invention Patent

Filing

02/08/1991

Publication

10/29/1991

Progress at the INPI

  1. Filing02/08/91
  2. Publication10/29/91
  3. Abandoned12/14/93
  4. Allowance
  5. Grant
  6. In force

The application was abandoned for failure to pay the annuities (art. 86 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/18/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sappi Limited

ZA

Inventors

S. R. (pessoa física)

ZA

Technical data

IPC Classification

Priority claims

ZA

90/1031 · 02/12/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento por falta de pagamento

#8.6

Referente a 7ª, 8ª e 9ª anuidade

04/18/2000

RPI 1528

8.1

Referente a 7ª e 8ª anuidade

12/22/1998

RPI 1459

Solicitação de exame técnico

#4.1

12/14/1993

RPI 1202

Publicação do pedido de patente

#3.1

10/29/1991

RPI 1091

Pedido de patente depositado

#2.1

08/27/1991

RPI 1082

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