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Official data from INPI

COMPOST, COMPOSICAO HERBICIDA, PROCESS PARA CONTROLAR ERVAS DANINHAS, E PROCESSO PARA PREPARACAO DE TAL COMPOSTO

ConcedidaInvention Patent

Application data

Number

PI8003052

Type

Invention Patent

Filing

05/16/1979

Publication

-

Progress at the INPI

  1. Filing05/16/79
  2. Publication
  3. Examination02/01/83
  4. Allowance11/03/87
  5. Grant05/31/88
  6. Expired06/13/95

The letters patent expired on 06/13/1995: 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ROHM & HAAS

See this company's full portfolio

Inventors

J. [. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

11/03/1987

RPI 889

Exigência - art. 36 da LPI

#6.1

02/18/1986

RPI 800

Exigência - art. 36 da LPI

#6.1

08/28/1984

RPI 723

Solicitação de exame técnico

#4.1

02/01/1983

RPI 641

Carta-patente expirada

#21.1

06/13/1995

RPI 1280

Pedido de licença compulsória

#20.1

03/13/1990

RPI 1009

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