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Official data from INPI

PROCESSO PARA PREPARAR ÓXIDOS DE ALQUILENO A PARTIR DE CARBONATOS DE ALQUILENO, E, PROCESSO PARA PREPARAR CARBONATOS DE ALQUILENO

Em AnáliseInvention Patent

Application data

Number

PI8505283

Type

Invention Patent

Filing

10/23/1985

Publication

08/05/1986

Progress at the INPI

  1. Filing10/23/85
  2. Publication08/05/86
  3. Examination09/20/88
  4. Allowance08/04/92
  5. Abandoned
  6. In force

The application was allowed on 08/04/1992 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: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Scientific Design Company, Inc.

US

See this company's full portfolio

Inventors

R. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

664.718 · 10/25/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.1

10/10/1989

RPI 990

14.4

10/03/1989

RPI 989

Solicitação de exame técnico

#4.1

09/20/1988

RPI 935

Publicação do pedido de patente

#3.1

08/05/1986

RPI 824

Pedido de patente depositado

#2.1

12/24/1985

RPI 792

Arquivamento - Art. 38 §2° da LPI

#11.4

06/08/1993

RPI 1175

Notificação para pagamento de retribuição

#13.1

12/29/1992

RPI 1152

Republicação - classificação IPC

#15.11

08/11/1992

RPI 1132

Deferimento

#9.1

08/04/1992

RPI 1131

Exigência - art. 36 da LPI

#6.1

02/26/1991

RPI 1056

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