EURASIAN PATENT REGISTER (INVENTIONS)

Eurasian Patent for Invention № 035685

BIBLIOGRAPHIC DATA

(11) Patent Number	035685
Date of Registration in the Register of Eurasian Patents	2020.07.23
(21) Application Number	201900190
(22) Filling Date	2019.04.03
(51) IPC	*E21B 43/22* (2006.01) C09K 8/86 (2006.01)
(43)(13) Application Publication Date(s), Kind Code(s)	A1 2020.07.23 Issue No 07 title, specification
(45)(13) Patent Publication Date(s), Kind Code(s)	B1 2020.07.24 Issue No 07 title, specification
(96) Filing Data of the Regional Application, i.e., Application Filing Date, Application Number, Country Code	2019/014 (AZ) 2019.04.03
(71) Applicant(s)	НАУЧНО-ИССЛЕДОВАТЕЛЬСКИЙ И ПРОЕКТНЫЙ ИНСТИТУТ НЕФТИ И ГАЗА (НИПИНГ) (AZ)
(72) Inventor(s)	Сулейманов Багир Алекпер оглы, Лятифов Яшар Айдын оглы, Кязимов Фазиль Кямал оглы, Велиев Фуад Фамиль оглы (AZ)
(73) Patent Owner(s)	НАУЧНО-ИССЛЕДОВАТЕЛЬСКИЙ И ПРОЕКТНЫЙ ИНСТИТУТ НЕФТИ И ГАЗА (НИПИНГ) (AZ)
(54) Title	СПОСОБ РАЗРАБОТКИ ОБВОДНЕННОГО ПЛАСТА

REPRESENTATIVES

Patent Owner's Representative(s)	Зейналова Офелия Асадулла кызы (AZ)
Correspondence Address	AZ1012, г. Баку, ул. Г. Зардаби 88а

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: 2023-11 Date: 2023.11.17	Code of state, where the patent has lapsed: AZ, RU Lapse date: 2023.04.04.
MM4A Lapse of a Eurasian patent in a Contracting State due to non-payment within the time limit of renewal fees	Issue: 2021-11 Date: 2021.11.10	Code of state, where the patent has lapsed: AM, BY, KG, KZ, TJ, TM Lapse date: 2021.04.04.

VALIDITY IN CONTRACTING STATES AND THE REPUBLIC OF MOLDOVA

First annual fee payment due date

2021.04.03

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

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