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Official data from INPI

PROCESSO DE PREPARAÇÃO DE ACETAIS DIALQUÍLICOS DE ALCANAIS OU DE ARILALCANAIS.

Em AnáliseInvention Patent

Application data

Number

PI8601135

Type

Invention Patent

Filing

02/25/1986

Publication

11/25/1986

Progress at the INPI

  1. Filing02/25/86
  2. Publication11/25/86
  3. Examination11/29/88
  4. Allowance02/24/93
  5. Grant09/28/93
  6. Terminated09/26/95

The patent was granted on 09/28/1993 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: 11/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhodia S/A

SP, BR

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Inventors

P. L. (pessoa física)

R. P. (pessoa física)

FR

Technical data

Priority claims

FR

85/02 879 · 02/25/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/29/1988

RPI 945

Publicação do pedido de patente

#3.1

11/25/1986

RPI 840

Pedido de patente depositado

#2.1

08/26/1986

RPI 827

Anuidade - prazo legal encerrado

#18.2

09/26/1995

RPI 1295

Concessão da patente

#16.1

09/28/1993

RPI 1191

Notificação para pagamento de retribuição

#13.1

06/08/1993

RPI 1175

Deferimento

#9.1

02/24/1993

RPI 1160

Exigência - art. 36 da LPI

#6.1

02/04/1992

RPI 1105

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