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Official data from INPI

CONJUGADOS ESTRELADOS.

Em AnáliseInvention PatentPCT · US1987002074

Application data

Number

PI8707432

Type

Invention Patent

Filing

08/18/1987

Publication

11/01/1988

PCT

US1987002074

Progress at the INPI

  1. Filing08/18/87
  2. Publication11/01/88
  3. Examination05/15/90
  4. Refused04/16/96
  5. Grant
  6. In force

The application was refused on 04/16/1996 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: 11/01/1988. 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

D. H. (pessoa física)

US

D. K. (pessoa física)

US

D. T. (pessoa física)

US

I. T. (pessoa física)

US

M. F. (pessoa física)

US

R. C. (pessoa física)

US

W. J. (pessoa física)

US

Technical data

Priority claims

US

897.455 · 08/18/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

11/01/1988

RPI 941

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: A61K 49/02; C08G 73/00; C08G 83/00; G01N 33/53.

03/27/2018

RPI 2464

111

04/16/1996

RPI 1324

Petição de recurso

#12.2

12/12/1995

RPI 1306

Indeferimento

#9.2

09/05/1995

RPI 1292

Solicitação de exame técnico

#4.1

05/15/1990

RPI 1018

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