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Official data from INPI

PROCESSO PARA A PRODUCAO DE AMINAS ALIFATICAS

ConcedidaInvention Patent

Application data

Number

PI8102565

Type

Invention Patent

Filing

04/28/1980

Publication

01/19/1982

Progress at the INPI

  1. Filing04/28/80
  2. Publication01/19/82
  3. Examination01/24/84
  4. Allowance11/13/84
  5. Grant05/28/85
  6. Terminated06/20/95

The patent was granted on 05/28/1985 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: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PENNWALT CORP

See this company's full portfolio

Inventors

C. R. (pessoa física)

G. D. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

Deferimento

#9.1

11/13/1984

RPI 734

Solicitação de exame técnico

#4.1

01/24/1984

RPI 692

Publicação do pedido de patente

#3.1

01/19/1982

RPI 587

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

Pedido de licença compulsória

#20.1

10/15/1991

RPI 1089

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