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Official data from INPI

PROCESSO PARA A NEUTRALIZAÇÃO DE UM COMPOSTO SULFONADO.

Em AnáliseInvention Patent

Application data

Number

PI8003612

Type

Invention Patent

Filing

06/11/1980

Publication

-

Progress at the INPI

  1. Filing06/11/80
  2. Publication
  3. Examination04/12/83
  4. Allowance01/15/85
  5. Grant07/30/85
  6. Terminated05/17/88

The patent was granted on 07/30/1985 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ballestra Chimica S.P.A.

Inventors

M. G. (pessoa física)

Technical data

IPC Classification

Priority claims

IT

12643 · 06/15/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

05/07/1985

RPI 759

Deferimento

#9.1

01/15/1985

RPI 743

Exigência - art. 36 da LPI

#6.1

02/07/1984

RPI 694

Solicitação de exame técnico

#4.1

04/12/1983

RPI 651

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C07C 139/14.

03/27/2018

RPI 2464

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