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LT - Rūgštaus nechrominio ėsdinimo tirpalo regeneravimo būdas

EN - A METHOD OF REGENERATION OF ACID NON-CHROME ETCHING SOLUTION

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Bibliographic data

Indications of the International Patent Classification (IPC)
(51)	INT.CL.: (2020.01)	C23F 1/00 C23C 18/00

Patent
(11)	Number of the document	6754
(13)	Kind of document	B
(21)	Application number	2018 034
(22)	Date of filing the application	2018-11-29
(41)	Date of publication of the application	2020-06-10
(45)	Date of publication of patent	2020-08-25

Applicant
(71)	VMTI fizinių ir technologijos mokslų centras, Savanorių pr. 231, 02300 Vilnius, LT

Inventors
(72)	Leonas NARUŠKEVIČIUS, LT Mykolas NARUŠKEVIČIUS, LT Birutė ŠIMKŪNAITĖ-STANYNIENĖ, LT

Grantee
(73)	VMTI fizinių ir technologijos mokslų centras, Savanorių pr. 231, 02300 Vilnius, LT

Attorney or representative
(74)	Milda TUMKEVIČIENĖ, Patentinių paslaugų centras, UAB, Jono Basanavičiaus g. 11/1, LT-03108 Vilnius, LT

Title
(54)	A METHOD OF REGENERATION OF ACID NON-CHROME ETCHING SOLUTION

Last renewal fee
	Payment date	Validity (years)	Amount
	2020-09-30	3	81.00 EUR

Legal status
	Patent lapsed (non-payment of fees)
	Invalidation date	2021-11-29