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Official data from INPI

DIFOSFITOS HIDROLITICAMENTE ESTAVEIS UTEIS COMO ANTIOXIDANTES E COMPOSICAO DOS MESMOS

Em AnáliseInvention Patent
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Application data

Number

PI8106337

Type

Invention Patent

Filing

10/01/1980

Publication

06/22/1982
View on INPI

Progress at the INPI

  1. Filing10/01/80
  2. Publication06/22/82
  3. Examination05/15/84
  4. Allowance
  5. Grant
  6. In force

Published on 06/22/1982, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNIROYAL INC [US]

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Inventors

B. W. (pessoa física)

Technical data

IPC Classification

C08K 5/52C08L 101/00C08L 21/00C08L 23/00C08L 23/32C08L 27/00C08L 33/00C08L 33/02C08L 51/00C08L 51/02C08L 67/00C08L 7/00C08L 77/00C09K 15/00C09K 15/32

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

4.2.3

06/14/1988

RPI 921

Arquivamento - Art. 38 §2° da LPI

#11.4

10/06/1987

RPI 885

Notificação para pagamento de retribuição

#13.1

05/05/1987

RPI 863

Deferimento

#9.1

12/16/1986

RPI 843

Exigência - art. 36 da LPI

#6.1

10/22/1985

RPI 783

Exigência - art. 36 da LPI

#6.1

03/19/1985

RPI 752

Solicitação de exame técnico

#4.1

05/15/1984

RPI 708

Publicação do pedido de patente

#3.1

06/22/1982

RPI 609

Pedido de patente depositado

#2.1

11/17/1981

RPI 578

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