EURASIAN PATENT REGISTER (INVENTIONS)

Eurasian Patent for Invention № 034145

BIBLIOGRAPHIC DATA

(11) Patent Number	034145
Date of Registration in the Register of Eurasian Patents	2019.12.31
(21) Application Number	201792064
(22) Filling Date	2016.02.08
(51) IPC	*C09K 8/584* (2006.01) E21B 43/16 (2006.01)
(43)(13) Application Publication Date(s), Kind Code(s)	A1 2018.01.31 Issue No 01 title, specification
(45)(13) Patent Publication Date(s), Kind Code(s)	B1 2020.01.09 Issue No 01 title, specification
(31) Number(s) assigned to Priority Application(s)	14/662,564 15001079.1
(32) Date(s) of filing of Priority Application(s)	2015.03.19 2015.04.15
(33) Priority Application Office	US US
(86) PCT Application Number	EP2016/052589
(87) PCT Publication Number	2016/146303 2016.09.22
(71) Applicant(s)	КЛАРИАНТ ИНТЕРНЭШНЛ ЛТД (CH)
(72) Inventor(s)	Шерль Франц-Ксавьер, Лайнвебер Дирк (DE), Кайзер Антон, Уайлд Джонатан, Махмудкхани Амир (US), Пуркаястха Нирупам (DE)
(73) Patent Owner(s)	КЛАРИАНТ ИНТЕРНЭШНЛ ЛТД (CH)
(54) Title	БИОРАЗЛАГАЕМЫЕ ПОВЕРХНОСТНО-АКТИВНЫЕ САХАРОАМИДЫ ДЛЯ ПОВЫШЕНИЯ НЕФТЕОТДАЧИ

REPRESENTATIVES

Patent Owner's Representative(s)	ФЕЛИЦЫНА Светлана Борисовна (RU),ВОРОБЬЕВ Всеволод Андреевич (RU)
Correspondence Address	ООО "СОЮЗПАТЕНТ", ул. Мясницкая, д. 13, стр. 5, г. Москва, Россия, 101000

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: 2023-09 Date: 2023.09.21	Code of state, where the patent has lapsed: AZ, RU, TM Lapse date: 2023.02.09.
MM4A Lapse of a Eurasian patent in a Contracting State due to non-payment within the time limit of renewal fees	Issue: 2020-09 Date: 2020.09.14	Code of state, where the patent has lapsed: AM, BY, KG, KZ, TJ Lapse date: 2020.02.09.

VALIDITY IN CONTRACTING STATES AND THE REPUBLIC OF MOLDOVA

First annual fee payment due date

2020.04.08

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

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