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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE SOLUÇÕES DE CORANTES AZO CATIÔNICOS

Em AnáliseInvention Patent
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Application data

Number

PI8200226

Type

Invention Patent

Filing

01/15/1982

Publication

11/09/1982
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Progress at the INPI

  1. Filing01/15/82
  2. Publication11/09/82
  3. Examination01/22/85
  4. Allowance01/07/86
  5. Grant07/29/86
  6. Terminated05/24/88

The patent was granted on 07/29/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. A. (pessoa física)

DE

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Inventors

G. B. (pessoa física)

DE

H. G. (pessoa física)

DE

K. L. (pessoa física)

DE

Technical data

IPC Classification

C09B 67/32

Priority claims

DE

P 31 01 140.3 · 01/16/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

07/29/1986

RPI 823

Notificação para pagamento de retribuição

#13.1

05/06/1986

RPI 811

Deferimento

#9.1

01/07/1986

RPI 794

Solicitação de exame técnico

#4.1

01/22/1985

RPI 744

Publicação do pedido de patente

#3.1

11/09/1982

RPI 629

Pedido de patente depositado

#2.1

03/09/1982

RPI 594

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