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Official data from INPI

PROCESSO DE ESTABILIZAÇÃO DE POLÍMEROS À BASE DE CLORETO DE VINILA, COMPOSIÇÕES ESTABILIZANTES, E, COMPOSIÇÃO À BASE DE POLÍMERO DE CLORETO DE VINILA

Em ExigênciaInvention Patent
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Application data

Number

PI8301392

Type

Invention Patent

Filing

03/21/1983

Publication

11/29/1983
View on INPI

Progress at the INPI

  1. Filing03/21/83
  2. Publication11/29/83
  3. Examination11/12/85
  4. Allowance06/18/91
  5. Grant11/26/91
  6. Terminated08/29/95

The patent was granted on 11/26/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/10/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

FR

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Inventors

M. G. (pessoa física)

FR

Technical data

IPC Classification

C08K 5/09C08K 5/11C08K 5/13C08K 5/37C08L 27/06

Priority claims

FR

82/05700 · 03/30/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

05/10/1988

RPI 916

Solicitação de exame técnico

#4.1

11/12/1985

RPI 786

Publicação do pedido de patente

#3.1

11/29/1983

RPI 684

Pedido de patente depositado

#2.1

05/03/1983

RPI 654

Anuidade - prazo legal encerrado

#18.2

08/29/1995

RPI 1291

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

10/15/1991

RPI 1089

Deferimento

#9.1

06/18/1991

RPI 1072

Exigência - art. 36 da LPI

#6.1

01/29/1991

RPI 1052

Exigência - art. 36 da LPI

#6.1

06/05/1990

RPI 1021

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