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Official data from INPI

PROCESSO PARA REDUZIR O COLORIDO DE LIGNINA NÃO SULFONATADA.

DeferidaInvention Patent

Application data

Number

PI8404548

Type

Invention Patent

Filing

09/12/1984

Publication

08/06/1985

Progress at the INPI

  1. Filing09/12/84
  2. Publication08/06/85
  3. Examination01/21/86
  4. Allowance12/05/89
  5. Abandoned
  6. In force

The application was allowed on 12/05/1989 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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

See this company's full portfolio

Inventors

P. D. (pessoa física)

US

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

12/05/1989

RPI 998

Exigência - art. 36 da LPI

#6.1

03/21/1989

RPI 961

Solicitação de exame técnico

#4.1

01/21/1986

RPI 796

Publicação do pedido de patente

#3.1

08/06/1985

RPI 772

Pedido de patente depositado

#2.1

11/13/1984

RPI 734

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C11D 1/80; C09D 7/02; C09B 67/46; C09D 11/02; D06P 1/46.

03/27/2018

RPI 2464

Arquivamento - Art. 38 §2° da LPI

#11.4

10/23/1990

RPI 1038

Notificação para pagamento de retribuição

#13.1

04/10/1990

RPI 1013

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