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Official data from INPI

PROCESSO PARA PRODUZIR OXIDASE DE ÁLCOOL E PROCESSO PARA A DETERMINAÇÃO DA CONCENTRAÇÃO DE UM COMPOSTO EM UMA AMOSTRA FLUÍDA

DeferidaInvention Patent

Application data

Number

PI8003477

Type

Invention Patent

Filing

06/04/1980

Publication

-

Progress at the INPI

  1. Filing06/04/80
  2. Publication
  3. Examination
  4. Allowance09/12/89
  5. Grant03/20/90
  6. Expired09/12/95

The letters patent expired on 09/12/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Phillips Petroleum Company

US

See this company's full portfolio

Inventors

T. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

45.715 · 06/05/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

09/12/1989

RPI 986

Exigência - art. 36 da LPI

#6.1

04/11/1989

RPI 964

6.2

11/16/1982

RPI 630

Carta-patente expirada

#21.1

09/12/1995

RPI 1293

Republicação - classificação IPC

#15.11

04/16/1991

RPI 1063

Concessão da patente

#16.1

03/20/1990

RPI 1010

Notificação para pagamento de retribuição

#13.1

01/16/1990

RPI 1002

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