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Official data from INPI

COMPOSTO DE CÉRIO IV, PROCESSO DE PREPARAÇÃO DESTE COMPOSTO E DE UM SOL AQUOSO E SOL AQUOSO ASSIM OBTIDO

PublicadaInvention Patent

Application data

Number

PI8701981

Type

Invention Patent

Filing

03/26/1987

Publication

01/12/1988

Progress at the INPI

Under appeal
  1. Filing03/26/87
  2. Publication01/12/88
  3. Examination08/28/90
  4. Refused11/24/92
  5. Grant
  6. In force

The application was refused by the INPI on 11/24/1992. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 01/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhodia S/A

SP, BR

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Inventors

J. L. (pessoa física)

FR

J. C. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

86/04346 · 03/26/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/12/1988

RPI 899

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Indeferimento

#9.2

11/24/1992

RPI 1147

Conhecimento de parecer técnico

#7.1

11/26/1991

RPI 1095

Solicitação de exame técnico

#4.1

08/28/1990

RPI 1030

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