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Official data from INPI

COMPOSTO DE AMÔNIO QUATERNÁRIO E PROCESSO DE ALVEJAMENTO

IndeferidaInvention Patent

Application data

Number

PI9100242

Type

Invention Patent

Filing

01/21/1991

Publication

10/22/1991

Progress at the INPI

Under appeal
  1. Filing01/21/91
  2. Publication10/22/91
  3. Examination11/16/93
  4. Refused04/27/99
  5. Grant
  6. In force

The application was refused by the INPI on 04/27/1999. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 03/20/2018. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Unilever N.V.

NL

See this company's full portfolio

Inventors

J. O. (pessoa física)

GB

K. F. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

9001491.1 · 01/23/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C11D 1/62; C11D 3/395; D06L 3/02.

03/20/2018

RPI 2463

Indeferimento

#9.2

Indeferido com base nos Artigos n°s 37, 8 e 13 da LPI 9279/96.

04/27/1999

RPI 1477

Conhecimento de parecer técnico

#7.1

07/07/1998

RPI 1437

Solicitação de exame técnico

#4.1

11/16/1993

RPI 1198

Publicação do pedido de patente

#3.1

10/22/1991

RPI 1090

Pedido de patente depositado

#2.1

08/06/1991

RPI 1079

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