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Official data from INPI

PROCESSO PARA OXICLORAÇÃO DE ETILENO.

Em AnáliseInvention Patent

Application data

Number

PI8406650

Type

Invention Patent

Filing

12/20/1984

Publication

10/22/1985

Progress at the INPI

Awaiting grant fee payment
  1. Filing12/20/84
  2. Publication10/22/85
  3. Examination07/07/87
  4. Allowance01/08/91
  5. Grant
  6. In force

The application was allowed by the INPI on 01/08/1991. The grant of the letters patent is being processed.

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Latest action published by the INPI: 07/07/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Wacker-Chemie GmbH

DE

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Inventors

L. S. (pessoa física)

L. W. (pessoa física)

CH

P. H. (pessoa física)

R. S. (pessoa física)

Technical data

Priority claims

DE

P 33 4 464.2 · 12/22/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/07/1987

RPI 872

Publicação do pedido de patente

#3.1

10/22/1985

RPI 783

Pedido de patente depositado

#2.1

03/12/1985

RPI 751

Retificação

#15.3

05/07/1991

RPI 1066

Deferimento

#9.1

01/08/1991

RPI 1049

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