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Official data from INPI

PROCESSO PARA EPOXIDAÇÃO SELETIVA DE OLEFINAS

Arquivada/ExtintaInvention PatentPCT · US1989000341

Application data

Number

PI8907211

Type

Invention Patent

Filing

01/27/1989

Publication

03/05/1991

PCT

US1989000341

Progress at the INPI

  1. Filing01/27/89
  2. Publication03/05/91
  3. Examination09/24/91
  4. Allowance12/08/98
  5. Grant07/27/99
  6. Expired12/18/12

The letters patent expired on 12/18/2012: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/18/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Eastman Chemical Company

US

Eastman Kodak Company

US

See this company's full portfolio

Inventors

J. M. (pessoa física)

US

P. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

149,297 · 01/28/1988

US

292,589 · 12/30/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 27/07/2009

12/18/2012

RPI 2189

Concessão da patente

#16.1

07/27/1999

RPI 1490

Deferimento

#9.1

12/08/1998

RPI 1457

Exigência - art. 36 da LPI

#6.1

05/26/1998

RPI 1431

14.1

04/02/1996

RPI 1322

Pedido de certificado de adição de invenção

#5.1

06/02/1992

RPI 1122

Solicitação de exame técnico

#4.1

09/24/1991

RPI 1086

Notificação de entrada na fase nacional - PCT

#1.3

03/05/1991

RPI 1057

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