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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE SILANAS CONTENDO HALOGÊNIO.

Em AnáliseInvention Patent

Application data

Number

PI8704266

Type

Invention Patent

Filing

08/19/1987

Publication

04/12/1988

Progress at the INPI

Under appeal
  1. Filing08/19/87
  2. Publication04/12/88
  3. Examination08/23/88
  4. Refused09/05/95
  5. Grant
  6. In force

The application was refused by the INPI on 09/05/1995. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

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Inventors

C. L. (pessoa física)

O. W. (pessoa física)

S. F. (pessoa física)

W. S. (pessoa física)

Technical data

IPC Classification

Priority claims

US

898.472 · 08/20/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/23/1988

RPI 931

Publicação do pedido de patente

#3.1

04/12/1988

RPI 912

Pedido de patente depositado

#2.1

11/17/1987

RPI 891

Indeferimento

#9.2

09/05/1995

RPI 1292

Conhecimento de parecer técnico

#7.1

02/16/1993

RPI 1159

Exigência - art. 36 da LPI

#6.1

01/14/1992

RPI 1102

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