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Official data from INPI

APARELHO PARA TRATAMENTO A VAPOR DE APARAS DO MATERIAL FIBROSO CELULÓSICO COMINUÍDO ; PROCESSO PARA TRATAR A VAPOR MATERIAL FIBROSO CELULÓSICO; PROCESSO DE OBTENÇÃO DE POLPA POR SOLVENTE DE UM MATERIAL FIBROSO COMINUÍDO; E PROCESSO DE LAVAR DE MANEIRA CONTÍNUA A POLPA PRODUZIDA.

ArquivadaInvention Patent

Application data

Number

PI9102275

Type

Invention Patent

Filing

06/03/1991

Publication

04/28/1992

Progress at the INPI

  1. Filing06/03/91
  2. Publication04/28/92
  3. Examination06/01/93
  4. Allowance11/10/98
  5. Abandoned
  6. In force

The application was allowed on 11/10/1998 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: 04/11/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alcell Technologies, Inc.

CA

Kamyr, Inc.

US

See this company's full portfolio

Inventors

B. G. (pessoa física)

US

D. L. (pessoa física)

US

J. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

569.126 · 08/17/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

Arquivamento - Artigo 38 & 2º da LPI.

04/11/2000

RPI 1527

Deferimento

#9.1

11/10/1998

RPI 1453

14.1

06/21/1994

RPI 1229

Solicitação de exame técnico

#4.1

06/01/1993

RPI 1174

Publicação do pedido de patente

#3.1

04/28/1992

RPI 1117

Pedido de patente depositado

#2.1

03/10/1992

RPI 1110

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