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Official data from INPI

PIRIDINA SULFONAMIDAS HERBICIDAS

PublicadaInvention Patent

Application data

Number

PI8700970

Type

Invention Patent

Filing

02/27/1987

Publication

12/22/1987

Progress at the INPI

Under appeal
  1. Filing02/27/87
  2. Publication12/22/87
  3. Examination10/23/90
  4. Refused03/16/99
  5. Grant
  6. In force

The application was refused by the INPI on 03/16/1999. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 12/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. I. Du Pont De Nemours & Company

US

See this company's full portfolio

Inventors

M. H. (pessoa física)

US

Technical data

Priority claims

US

837.392 · 03/07/1986

US

936.105 · 11/28/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/22/1987

RPI 896

Pedido de patente depositado

#2.1

06/16/1987

RPI 869

Indeferimento

#9.2

Indeferido com base no artigo 37 da Lei 9279/96 (LPI).

03/16/1999

RPI 1471

Conhecimento de parecer técnico

#7.1

06/23/1998

RPI 1435

Solicitação de exame técnico

#4.1

10/23/1990

RPI 1038

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