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Official data from INPI

COMPOSIÇÃO LUBRIFICANTE/FLUÍDO DE FUNCIONAMENTO PARA DISPOSITIVOS DE TRANSFERÊNCIA DE CALOR DO TIPO COMPRESSÃO MECÂNICA DE VAPOR E ÉSTER PARCIAL DE PENTAERITRITOL COM UM ÁCIDO CARBOXÍLICO

IndeferidaInvention Patent

Application data

Number

PI9102090

Type

Invention Patent

Filing

05/21/1991

Publication

12/24/1991

Progress at the INPI

Under appeal
  1. Filing05/21/91
  2. Publication12/24/91
  3. Examination01/11/94
  4. Refused04/25/00
  5. Grant
  6. In force

The application was refused by the INPI on 04/25/2000. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 04/25/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V.

NL

See this company's full portfolio

Inventors

R. P. (pessoa física)

NL

T. B. (pessoa física)

NL

Technical data

Priority claims

NL

90305537.4 · 05/22/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

Indeferido com base no Art. 37 combinado com os Art.8º, 11 e 13 da LPI 9.279/96.

04/25/2000

RPI 1529

Conhecimento de parecer técnico

#7.1

09/14/1999

RPI 1497

Solicitação de exame técnico

#4.1

01/11/1994

RPI 1206

Publicação do pedido de patente

#3.1

12/24/1991

RPI 1099

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