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Official data from INPI

PROCESSO PARA ADERIR COMPOSTOS ORGÂNICOS HALOGENADOS E LAMINADOS

PublicadaInvention Patent

Application data

Number

PI8706117

Type

Invention Patent

Filing

11/12/1987

Publication

06/21/1988

Progress at the INPI

  1. Filing11/12/87
  2. Publication06/21/88
  3. Examination09/11/90
  4. Allowance09/12/95
  5. Grant04/30/96
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kenrich Petrochemicals, Inc

US

Inventors

G. S. (pessoa física)

US

S. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

930,712 · 11/13/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

06/21/1988

RPI 922

Pedido de patente depositado

#2.1

03/01/1988

RPI 906

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C09J 5/02; C09J 3/00.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 12/11/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

04/30/1996

RPI 1326

Deferimento

#9.1

09/12/1995

RPI 1293

Exigência - art. 36 da LPI

#6.1

02/21/1995

RPI 1264

Solicitação de exame técnico

#4.1

09/11/1990

RPI 1032

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