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Official data from INPI

MÉTODO PARA A RECUPERAÇÃO DE OLIGÔMEROS DE POLI(SULFETO DE ARILENO)NA PRODUÇÃO DE SULFETO DE POLIARILENO

Em AnáliseInvention Patent

Application data

Number

PI8800234

Type

Invention Patent

Filing

01/22/1988

Publication

08/30/1988

Progress at the INPI

  1. Filing01/22/88
  2. Publication08/30/88
  3. Examination11/07/89
  4. Allowance02/02/93
  5. Abandoned
  6. In force

The application was allowed on 02/02/1993 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Phillips Petroleum Company

US

See this company's full portfolio

Inventors

A. N. (pessoa física)

US

F. S. (pessoa física)

US

G. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

006.410 · 01/23/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/07/1989

RPI 994

Publicação do pedido de patente

#3.1

08/30/1988

RPI 932

Pedido de patente depositado

#2.1

05/03/1988

RPI 915

Arquivamento - Art. 38 §2° da LPI

#11.4

03/29/1994

RPI 1217

Notificação para pagamento de retribuição

#13.1

09/08/1993

RPI 1188

9.1.3

05/04/1993

RPI 1170

Deferimento

#9.1

02/02/1993

RPI 1157

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