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Official data from INPI

PROCESSO PARA PREPARAÇÀO DE DERIVADOS DE 5-AMINO-3-OXO-4-(FENIL SUBSTITUÍDO)-2,3-DIIDROTIOFENO TENDO AÇÀO HERBICIDA E FITORREGULADORA.

Em AnáliseInvention Patent

Application data

Number

PI8507300

Type

Invention Patent

Filing

10/11/1985

Publication

11/03/1987

Progress at the INPI

  1. Filing10/11/85
  2. Publication11/03/87
  3. Examination03/21/89
  4. Allowance02/02/93
  5. Grant07/27/93
  6. Terminated09/19/95

The patent was granted on 07/27/1993 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: 03/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Chevron Research Company

US

See this company's full portfolio

Inventors

C. W. (pessoa física)

US

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/21/1989

RPI 961

Notificação de entrada na fase nacional - PCT

#1.3

11/03/1987

RPI 889

Anuidade - prazo legal encerrado

#18.2

09/19/1995

RPI 1294

Concessão da patente

#16.1

07/27/1993

RPI 1182

Notificação para pagamento de retribuição

#13.1

05/18/1993

RPI 1172

Deferimento

#9.1

02/02/1993

RPI 1157

Exigência - art. 36 da LPI

#6.1

10/15/1991

RPI 1089

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