EURASIAN PATENT REGISTER (INVENTIONS)

Eurasian Patent for Invention № 038753

BIBLIOGRAPHIC DATA

(11) Patent Number	038753
Date of Registration in the Register of Eurasian Patents	2021.10.13
(21) Application Number	202092650
(22) Filling Date	2019.01.28
(51) IPC	*E21B 43/22* (2006.01) *E21B 43/27* (2006.01) *C09K 8/502* (2006.01) *C09K 8/72* (2006.01) B82Y 30/00 (2011.01)
(43)(13) Application Publication Date(s), Kind Code(s)	A1 2021.02.12 Issue No 02 title specification (WO)
(45)(13) Patent Publication Date(s), Kind Code(s)	B1 2021.10.14 Issue No 10 title, specification
(31) Number(s) assigned to Priority Application(s)	2018122128
(32) Date(s) of filing of Priority Application(s)	2018.06.18
(33) Priority Application Office	RU
(86) PCT Application Number	RU2019/050008
(87) PCT Publication Number	2019/245410 2019.12.26
(71) Applicant(s)	ОБЩЕСТВО С ОГРАНИЧЕННОЙ ОТВЕТСТВЕННОСТЬЮ "ВИ-ЭНЕРДЖИ" (RU); НИССАН КЕМИКАЛ КОРПОРЕЙШН (JP)
(72) Inventor(s)	Сергеев Виталий Вячеславович (RU)
(73) Patent Owner(s)	ОБЩЕСТВО С ОГРАНИЧЕННОЙ ОТВЕТСТВЕННОСТЬЮ "ВИ-ЭНЕРДЖИ" (RU); НИССАН КЕМИКАЛ КОРПОРЕЙШН (JP)
(54) Title	СПОСОБ СЕЛЕКТИВНОЙ ОБРАБОТКИ ПРИЗАБОЙНОЙ ЗОНЫ ПЛАСТА

REPRESENTATIVES

Patent Owner's Representative(s)	ЛОВЦОВ Сергей Викторович (RU),ЛЕВЧУК Денис Владимирович (RU),СТУКАЛОВА Вера Викторовна (RU),ВИЛЕСОВ Александр Сергеевич (RU),КОПТЕВА Татьяна Владимировна (RU),ЯСИНСКИЙ Сергей Ярославович (RU),ГАВРИКОВ Кирилл Владимирович (RU)
Correspondence Address	ООО "Патентно-правовая фирма "ЮС", пл. Малая Сухаревская, д. 12, г. Москва, 127051, Россия

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: 2022-08
Date: 2022.08.11

Code of state, where the patent has lapsed:
AM, BY, KG, TJ
Lapse date: 2022.01.29.

VALIDITY IN CONTRACTING STATES AND THE REPUBLIC OF MOLDOVA

First annual fee payment due date

2022.01.28

Validity of the patent in the territory of Contracting States and the Republic of Moldova

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