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Official data from INPI

ENCAPSULACAO POR OCLUSAO NO INTERIOR DE BORATOS DE POLIMERO DE POLIIDROXI

ConcedidaInvention Patent
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Application data

Number

PI8305421

Type

Invention Patent

Filing

01/23/1983

Publication

12/27/1983
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Progress at the INPI

  1. Filing01/23/83
  2. Publication12/27/83
  3. Examination10/23/84
  4. Allowance03/01/88
  5. Grant09/27/88
  6. Terminated04/23/96

The patent was granted on 09/27/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The United States Of America , as represented by Secretary of Commerce.

US

Inventors

S. [. (pessoa física)

T. [. (pessoa física)

Technical data

IPC Classification

A01N 25/26B01J 13/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

06/21/1988

RPI 922

Deferimento

#9.1

03/01/1988

RPI 906

Exigência - art. 36 da LPI

#6.1

02/18/1986

RPI 800

Exigência - art. 36 da LPI

#6.1

07/09/1985

RPI 768

Solicitação de exame técnico

#4.1

10/23/1984

RPI 731

Notificação de entrada na fase nacional - PCT

#1.3

12/27/1983

RPI 688

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B01J 13/02; A01N 25/28; A23L 1/226; A61K 9/26; A61K 9/32; A61K 9/36; A61K 9/48; A61K 9/52; B01J 13/00; B01J 13/06; B01J 13/14; A61K 9/30.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

04/23/1996

RPI 1325

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