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Official data from INPI

COMPOSIÇÃO POLIMÉRICA

PublicadaInvention Patent

Application data

Number

PI8706740

Type

Invention Patent

Filing

12/11/1987

Publication

07/19/1988

Progress at the INPI

Under appeal
  1. Filing12/11/87
  2. Publication07/19/88
  3. Examination11/06/90
  4. Refused01/23/96
  5. Grant
  6. In force

The application was refused by the INPI on 01/23/1996. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 07/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ROHM & HAAS [US]

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Inventors

C. C. (pessoa física)

S. R. (pessoa física)

W. H. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/19/1988

RPI 926

Pedido de patente depositado

#2.1

03/29/1988

RPI 910

Indeferimento

#9.2

01/23/1996

RPI 1312

Conhecimento de parecer técnico

#7.1

03/03/1992

RPI 1109

Solicitação de exame técnico

#4.1

11/06/1990

RPI 1040

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