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Official data from INPI

PROCESSO, LÍQUIDO AQUOSO E CONCENTRADO DE LÍQUIDO AQUOSO PARA POLIMENTO E REFINAMENTO FÍSICO-QUÍMICO DE SUPERFÍCIES METÁLICAS DE OBJETOS

IndeferidaInvention Patent

Application data

Number

PI9004154

Type

Invention Patent

Filing

08/22/1990

Publication

09/03/1991

Progress at the INPI

Under appeal
  1. Filing08/22/90
  2. Publication09/03/91
  3. Examination12/10/91
  4. Refused08/24/99
  5. Grant
  6. In force

The application was refused by the INPI on 08/24/1999. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/24/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rem Chemicals, Inc

US

Inventors

R. Z. (pessoa física)

Technical data

IPC Classification

Priority claims

US

397.236 · 08/23/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

Alterada a Classificação para Int.Cl.6 C23F 3/00 e C23C 22/83.

08/24/1999

RPI 1494

Indeferimento

#9.2

Indeferido o pedido com base no disposto no Art. 8º da LPI 9279, de 14/05/96.

08/24/1999

RPI 1494

Conhecimento de parecer técnico

#7.1

06/23/1998

RPI 1435

Solicitação de exame técnico

#4.1

12/10/1991

RPI 1097

Publicação do pedido de patente

#3.1

09/03/1991

RPI 1083

Pedido de patente depositado

#2.1

02/26/1991

RPI 1056

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