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Official data from INPI

PROCESSO PARA PRODUZIR UMA RESINA DE CLORETO DE VINILA.

Arquivada/ExtintaInvention Patent

Application data

Number

PI9001408

Type

Invention Patent

Filing

03/28/1990

Publication

11/05/1991

Progress at the INPI

  1. Filing03/28/90
  2. Publication11/05/91
  3. Examination03/10/92
  4. Allowance10/07/97
  5. Grant08/25/98
  6. Expired01/08/13

The letters patent expired on 01/08/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/27/2018. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mitsubishi Chemical MKV Company

JP

Mitsubishi Kasei Vinyl Company

JP

Inventors

K. T. (pessoa física)

JP

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08J 2/38; C08F 14/06.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 28/03/2010

01/08/2013

RPI 2192

Concessão da patente

#16.1

08/25/1998

RPI 1444

Deferimento

#9.1

10/07/1997

RPI 1401

Exigência - art. 36 da LPI

#6.1

11/12/1996

RPI 1354

14.4

11/28/1995

RPI 1304

Solicitação de exame técnico

#4.1

03/10/1992

RPI 1110

Publicação do pedido de patente

#3.1

11/05/1991

RPI 1092

Pedido de patente depositado

#2.1

08/07/1990

RPI 1027

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