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Official data from INPI

PROCESSO DE PREPARAÇÃO DE ÉSTERES DO ÁCIDO OXÁLICO, COMPOSIÇÃO QUIMIOLUMINESCENTE OU GERADORA DE QUIMIOLUMINESCÊNCIA E RESPECTIVO PROCESSO PARA GERAR QUIMIOLUMINESCÊNCIA

ConcedidaInvention Patent

Application data

Number

PI7706902

Type

Invention Patent

Filing

07/15/1977

Publication

-

Progress at the INPI

  1. Filing07/15/77
  2. Publication
  3. Examination
  4. Allowance07/20/82
  5. Grant01/25/83
  6. Terminated08/28/90

The patent was granted on 01/25/1983 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: 01/25/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

See this company's full portfolio

Inventors

A. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

705,863 · 07/16/1976

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/25/1983

RPI 640

Notificação para pagamento de retribuição

#13.1

12/07/1982

RPI 633

Deferimento

#9.1

07/20/1982

RPI 613

Exigência - art. 36 da LPI

#6.1

12/15/1981

RPI 582

Anuidade - prazo legal encerrado

#18.2

08/28/1990

RPI 1030

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