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Official data from INPI

PROCESSO PARA DESIDROHALOGE NACAO DE (POLIHALOALQUIL)ARENOS

ConcedidaInvention Patent

Application data

Number

PI7906270

Type

Invention Patent

Filing

09/28/1979

Publication

-

Progress at the INPI

  1. Filing09/28/79
  2. Publication
  3. Examination06/21/83
  4. Allowance10/15/85
  5. Grant05/27/86
  6. Terminated09/25/90

The patent was granted on 05/27/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/27/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO

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Inventors

C. W. (pessoa física)

M. L. (pessoa física)

M. S. (pessoa física)

N. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/27/1986

RPI 814

Deferimento

#9.1

10/15/1985

RPI 782

Exigência - art. 36 da LPI

#6.1

10/30/1984

RPI 732

Exigência - art. 36 da LPI

#6.1

02/28/1984

RPI 697

Solicitação de exame técnico

#4.1

06/21/1983

RPI 661

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 17/24; A01N 29/04; C07C 25/00.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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