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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE UM CLORATO DE METAL ALCALINO.

Em AnáliseInvention Patent

Application data

Number

PI8402512

Type

Invention Patent

Filing

05/25/1984

Publication

06/11/1985

Progress at the INPI

  1. Filing05/25/84
  2. Publication06/11/85
  3. Examination06/02/87
  4. Allowance07/24/90
  5. Grant02/13/91
  6. Terminated05/07/96

The patent was granted on 02/13/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/02/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Atochem North America, Inc.

US

P. C. (pessoa física)

US

See this company's full portfolio

Inventors

G. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

530.431 · 09/08/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/02/1987

RPI 867

Publicação do pedido de patente

#3.1

06/11/1985

RPI 764

Pedido de patente depositado

#2.1

08/07/1984

RPI 720

Anuidade - prazo legal encerrado

#18.2

05/07/1996

RPI 1327

20.4

12/03/1991

RPI 1096

Republicação - classificação IPC

#15.11

08/06/1991

RPI 1079

Concessão da patente

#16.1

02/13/1991

RPI 1054

Notificação para pagamento de retribuição

#13.1

11/06/1990

RPI 1040

Deferimento

#9.1

07/24/1990

RPI 1025

Conhecimento de parecer técnico

#7.1

01/09/1990

RPI 1001

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