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Official data from INPI

COMPLEXO E PROCESSO PARA A PREPARAÇÃO DO MESMO.

Em AnáliseInvention Patent

Application data

Number

PI8504625

Type

Invention Patent

Filing

09/20/1985

Publication

07/15/1986

Progress at the INPI

  1. Filing09/20/85
  2. Publication07/15/86
  3. Examination09/06/88
  4. Refused09/08/93
  5. Grant
  6. In force

The application was refused on 09/08/1993 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

See this company's full portfolio

Inventors

G. F. (pessoa física)

S. J. (pessoa física)

T. E. (pessoa física)

V. A. (pessoa física)

W. A. (pessoa física)

Pessoa física

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/06/1988

RPI 933

Publicação do pedido de patente

#3.1

07/15/1986

RPI 821

Pedido de patente depositado

#2.1

12/03/1985

RPI 789

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: A61K 43/00; C07F 5/00.

03/27/2018

RPI 2464

111

09/08/1993

RPI 1188

Petição de recurso

#12.2

05/25/1993

RPI 1173

Indeferimento

#9.2

02/02/1993

RPI 1157

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