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Official data from INPI

PROCESSO APERFEIÇOADO PARA COMPOSIÇÃO DE ETERES ALQUIL-TER-ALQUILICOS

Em AnáliseInvention Patent
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Application data

Number

PI8201673

Type

Invention Patent

Filing

03/23/1982

Publication

02/16/1983
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Progress at the INPI

Technical opinion to answer
  1. Filing03/23/82
  2. Publication02/16/83
  3. Examination08/23/83
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 12/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Snamprogetti S.p.A.

IT

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Inventors

G. P. (pessoa física)

IT

Technical data

IPC Classification

C07C 11/09C07C 27/00C07C 29/10C07C 31/00C07C 31/02C07C 43/04C07C 67/00

Priority claims

IT

21031A/81 · 04/10/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

12/20/1988

RPI 948

Conhecimento de parecer técnico

#7.1

06/10/1986

RPI 816

Conhecimento de parecer técnico

#7.1

06/18/1985

RPI 765

Pedido de certificado de adição de invenção

#5.1

01/10/1984

RPI 690

Solicitação de exame técnico

#4.1

08/23/1983

RPI 670

Publicação do pedido de patente

#3.1

02/16/1983

RPI 643

Pedido de patente depositado

#2.1

05/11/1982

RPI 603

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