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Official data from INPI

ADITIVOS SEQUESTRANTES DE MERCAPTANO

Em AnáliseInvention PatentPCT · US2023036437

Application data

Number

112025008424

Type

Invention Patent

Filing

10/31/2023

Publication

11/11/2025

PCT

US2023036437

Progress at the INPI

Examination not yet requested
  1. Filing10/31/23
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force

Examination has not been requested yet. Without that request by 10/31/2026, the application is definitively abandoned (art. 33 of the Brazilian IP Act).

Deadline to request examination:10/31/2026(67 days left)

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Latest action published by the INPI: 11/11/2025. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CAMERON TECHNOLOGIES LIMITED

NL

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Inventors

A. J. (pessoa física)

GB

J. H. (pessoa física)

CA

P. D. (pessoa física)

CA

R. P. (pessoa física)

CA

Technical data

Priority claims

US

63/381,582 · 10/31/2022

Abstract

ADITIVOS SEQUESTRANTES DE MERCAPTANO. As modalidades descritas neste documento fornecem materiais e métodos para sequestrar mercaptanos em um contexto de produção de hidrocarbonetos. Os métodos de eliminação de mercaptano incluem adicionar um material de poliacrilato ramificado ou hiperramificado a um material alvo compreendendo hidrocarboneto e mercaptanos; e reagir o material de poliacrilato com os mercaptanos para formar um tioéter.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

11/11/2025

RPI 2862

Alteração de dados cadastrais

#1.1

06/10/2025

RPI 2840

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