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Official data from INPI

PROCESSO DESCONTÍNUO DE OBTENÇÃO DO FERROCIANETO DE SÓDIO E DE RECUPERAÇÃO SIMULTÂNEA DA ACETONITRILA A PARTIR DE UMA CORRENTE LÍQUIDA DE SUBPRODUTOS DA FABRICAÇÃO DA ACRILONITRILA CONTENDO ÁCIDO CIANÍDRICO

Em AnáliseInvention Patent

Application data

Number

PI8407386

Type

Invention Patent

Filing

01/27/1984

Publication

01/22/1985

Progress at the INPI

  1. Filing01/27/84
  2. Publication01/22/85
  3. Examination02/18/86
  4. Allowance10/26/93
  5. Abandoned
  6. In force

The application was allowed on 10/26/1993 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: 02/18/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhodia S/A

SP, BR

See this company's full portfolio

Inventors

C. B. (pessoa física)

BR

P. J. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/18/1986

RPI 800

Publicação do pedido de patente

#3.1

01/22/1985

RPI 744

Pedido de patente depositado

#2.1

04/10/1984

RPI 703

Arquivamento - Art. 38 §2° da LPI

#11.4

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

03/15/1994

RPI 1215

Deferimento

#9.1

10/26/1993

RPI 1195

15.12

06/15/1993

RPI 1176

15.12

06/01/1993

RPI 1174

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