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Official data from INPI

PROCESSO PARA A PREPARACAO DE UM SAL DE HIDROXILAMINA

Em AnáliseInvention Patent

Application data

Number

PI7905277

Type

Invention Patent

Filing

08/17/1978

Publication

-

Progress at the INPI

  1. Filing08/17/78
  2. Publication
  3. Examination06/08/82
  4. Allowance04/09/85
  5. Grant08/27/85
  6. Terminated05/17/88

The patent was granted on 08/27/1985 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STAMICARBON

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Inventors

M. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

08/27/1985

RPI 775

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

Deferimento

#9.1

04/09/1985

RPI 755

Exigência - art. 36 da LPI

#6.1

06/19/1984

RPI 713

Republicação - classificação IPC

#15.11

05/02/1984

RPI 706

Republicação - classificação IPC

#15.11

02/07/1984

RPI 694

Exigência - art. 36 da LPI

#6.1

11/29/1983

RPI 684

6.2

02/01/1983

RPI 641

Solicitação de exame técnico

#4.1

06/08/1982

RPI 607

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