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Official data from INPI

PROCESSO PARA O REVESTIMENTO HOMOGENEO DE PIGMENTOS DE DIOXIDO DE TITANIO COM POLIMEROS ORGANICOS

IndeferidaInvention Patent

Application data

Number

PI7905947

Type

Invention Patent

Filing

09/19/1978

Publication

-

Progress at the INPI

Under appeal
  1. Filing09/19/78
  2. Publication
  3. Examination05/18/82
  4. Refused09/18/84
  5. Grant
  6. In force

The application was refused by the INPI on 09/18/1984. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 09/18/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BAYER AG

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

09/18/1984

RPI 726

Conhecimento de parecer técnico

#7.1

11/01/1983

RPI 680

Solicitação de exame técnico

#4.1

05/18/1982

RPI 604

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