EURASIAN PATENT REGISTER (INVENTIONS)

Eurasian Patent for Invention № 035672

BIBLIOGRAPHIC DATA

(11) Patent Number

035672

Date of Registration in the Register of Eurasian Patents

2020.07.23

(21) Application Number

201792367

(22) Filling Date

2017.11.27

(51) IPC

C09K 8/524 (2006.01)
C09K 8/54 (2006.01)

(43)(13) Application Publication Date(s), Kind Code(s)

A1 2019.05.31 Issue No 05 title, specification

(45)(13) Patent Publication Date(s), Kind Code(s)

B1 2020.07.24 Issue No 07 title, specification

(31) Number(s) assigned to Priority Application(s)

201611077955.2
201710696639.1

(32) Date(s) of filing of Priority Application(s)

2016.11.30
2017.08.15

(33) Priority Application Office

CN
CN

(71) Applicant(s)

ПЕТРОЧАЙНА КОМПАНИ ЛИМИТЕД (CN)

(72) Inventor(s)

Цзян Цзинцзин, Юй Хуали, Чжан Цян, Гу Тань, Доу Лиюань (CN)

(73) Patent Owner(s)

ПЕТРОЧАЙНА КОМПАНИ ЛИМИТЕД (CN)

(54) Title

ОЧИЩАЮЩЕЕ СРЕДСТВО ДЛЯ УДАЛЕНИЯ ВЯЗКИХ ГЕЛЕОБРАЗНЫХ ОТЛОЖЕНИЙ, СПОСОБ ЕГО ПОЛУЧЕНИЯ И ЕГО ПРИМЕНЕНИЕ


REPRESENTATIVES

Patent Owner's Representative(s)

МЕДВЕДЕВ Валерий Николаевич (RU)

Correspondence Address

ООО "Юридическая фирма Городисский и Партнеры" ул. Большая Спасская, д. 25, стр. 3, г. Москва, Россия, 129090

INFORMATION ON LEGAL STATUS CHANGES

MM4A
Lapse of a Eurasian patent in a Contracting State due to non-payment within the time limit of renewal fees

Issue: 2021-06
Date: 2021.06.09

Code of state, where the patent has lapsed:
AM, AZ, BY, KG, KZ, TJ
Lapse date: 2020.11.28.


VALIDITY IN CONTRACTING STATES AND THE REPUBLIC OF MOLDOVA
First annual fee payment due date2020.11.27
Validity of the patent in the territory of Contracting States and the Republic of Moldova
YearPeriod AMAZBYKGKZRUTJTM
12017.11.27 - 2018.11.27
22018.11.28 - 2019.11.27
32019.11.28 - 2020.11.27
42020.11.28 - 2021.11.27------
52021.11.28 - 2022.11.27------
62022.11.28 - 2023.11.27------
72023.11.28 - 2024.11.27------
82024.11.28 - 2025.11.27------


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