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Official data from INPI

PROCESSO PARA CLIVAGEM DE UM COMPOSTO DE ÉTER ALIFÁTICO E PROCESSO PARA PRODUZIR UM DIÉSTER DE UM GLICOL ALIFÁTICO VICINAL

PublicadaInvention Patent

Application data

Number

PI8801772

Type

Invention Patent

Filing

04/13/1988

Publication

11/16/1988

Progress at the INPI

  1. Filing04/13/88
  2. Publication11/16/88
  3. Abandoned03/13/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

See this company's full portfolio

Inventors

J. E. (pessoa física)

DE

Technical data

Priority claims

DE

P 3712610.5 · 04/14/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/16/1988

RPI 943

Pedido de patente depositado

#2.1

08/02/1988

RPI 928

Republicação - classificação IPC

#15.11

02/18/1997

RPI 1368

Arquivamento - Art. 36 §1° da LPI

#11.2

11/28/1995

RPI 1304

Exigência - art. 36 da LPI

#6.1

02/21/1995

RPI 1264

Solicitação de exame técnico

#4.1

03/13/1990

RPI 1009

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