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Official data from INPI

COMPOSIÇÃO AMBIENTALMENTE BIODEGRADÁVEL, PROCESSO PARA PRODUZIR A MESMA E PROCESSO PARA TORNAR UMA COMPOSIÇÃO DE POLÍMERO TERMOPLÁSTICO AMBIENTALMENTE BIODEGRADÁVEL

Arquivada/ExtintaInvention PatentPCT · US1989003380

Application data

Number

PI8907604

Type

Invention Patent

Filing

08/04/1989

Publication

07/30/1991

PCT

US1989003380

Progress at the INPI

  1. Filing08/04/89
  2. Publication07/30/91
  3. Examination12/10/91
  4. Allowance10/01/96
  5. Grant06/24/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Battelle Memorial Institute

US

Biopak Technology, LTD

US

See this company's full portfolio

Inventors

J. P. (pessoa física)

US

R. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/229,894 · 08/08/1988

US

07/229,896 · 08/08/1988

US

07/229,939 · 08/08/1988

US

07/317,391 · 03/01/1989

US

386,844 · 07/31/1989

US

387,670 · 07/31/1989

US

387,676 · 07/31/1989

US

387,678 · 07/31/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 04/08/2009

05/21/2013

RPI 2211

Concessão da patente

#16.1

06/24/1997

RPI 1386

Deferimento

#9.1

10/01/1996

RPI 1348

Exigência - art. 36 da LPI

#6.1

07/18/1995

RPI 1285

14.1

04/05/1994

RPI 1218

Solicitação de exame técnico

#4.1

12/10/1991

RPI 1097

Notificação de entrada na fase nacional - PCT

#1.3

07/30/1991

RPI 1078

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