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Official data from INPI

PROCESSO PARA TINGIR MATERIAL DE FIBRA CELULÓSICA POR MEIO DE AGENTES CORANTESREATIVOS

Em AnáliseInvention Patent

Application data

Number

PI8607104

Type

Invention Patent

Filing

04/28/1986

Publication

02/09/1988

Progress at the INPI

  1. Filing04/28/86
  2. Publication02/09/88
  3. Examination07/12/88
  4. Allowance01/26/93
  5. Grant07/27/93
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Adcon AB

SE

H. A. (pessoa física)

DE

Inventors

S. D. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

DE

P 35 15 406.3 · 04/29/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/12/1988

RPI 925

Notificação de entrada na fase nacional - PCT

#1.3

02/09/1988

RPI 903

Carta-patente expirada

#21.1

Patente extinta em 28/04/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

07/27/1993

RPI 1182

Notificação para pagamento de retribuição

#13.1

05/11/1993

RPI 1171

Deferimento

#9.1

01/26/1993

RPI 1156

14.1

12/01/1992

RPI 1148

Exigência - art. 36 da LPI

#6.1

01/07/1992

RPI 1101

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