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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE CLORETO DE 2,2,4-TRICLORO-4-CIANOBUTANOILA, DE 3,3,5,6-TETRACLORO-3,4-DIHIDROPIRIDINA-2-ONA E DE 3,5,6-TRICLOROPIRIDINA-2-OL

Arquivada/ExtintaInvention Patent

Application data

Number

PI9001798

Type

Invention Patent

Filing

04/11/1990

Publication

06/11/1991

Progress at the INPI

  1. Filing04/11/90
  2. Publication06/11/91
  3. Examination09/08/93
  4. Allowance12/29/98
  5. Grant08/10/99
  6. Expired01/08/13

The letters patent expired on 01/08/2013: 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: 01/08/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dow Agrosciences LLC

US

The Dow Chemical Company

US

See this company's full portfolio

Inventors

R. P. (pessoa física)

US

Technical data

Priority claims

US

350.961 · 05/12/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 11/04/2010

01/08/2013

RPI 2192

Transferência deferida

#25.1

Transferido de: The Dow Chemical Company

04/18/2000

RPI 1528

Concessão da patente

#16.1

08/10/1999

RPI 1492

Republicação - classificação IPC

#15.11

ALTERADA DE C07D 213/60, C04D 211/88, C07C 255/17

01/26/1999

RPI 1464

Deferimento

#9.1

12/29/1998

RPI 1460

Solicitação de exame técnico

#4.1

09/08/1993

RPI 1188

Publicação do pedido de patente

#3.1

06/11/1991

RPI 1071

Pedido de patente depositado

#2.1

08/14/1990

RPI 1028

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