Patent details

EN | LT

LT - Granuliuoto karbamido paruošimo būdas

EN - PROCESS FOR PREPARING GRANULAR UREA

Legal status

Patent lapsed (non-payment of fees)

Claims | Abstract | Licences/Sublicenses

Patent application specification | Search report | Patent specification (0.44 Mb)

Bibliographic data

Indications of the International Patent Classification (IPC)
(51)	INT.CL.: (2006.01)	B01J 2/02 B01J 2/16 C05C 9/00 C07C 273/00 C07C 275/00

Patent
(11)	Number of the document	4340
(13)	Kind of document	B
(21)	Application number	97-156
(22)	Date of filing the application	1997-09-30
(41)	Date of publication of the application	1998-02-25
(45)	Date of publication of patent	1998-05-25

PCT application
(86)	Number	PCT/JP97/00108
	Date	1997-01-21

PCT application publication
(87)	Number	WO 97/28100
	Date	1997-08-07

Priority applications
(30)	Number	Date	Country code
	8/16541	1996-02-01	JP

Applicant
(71)	TOYO ENGINEERING CORPORATION, 2-5, Kasumigaseki 3-chome, Chiyoda-ku, Tokyo 100, JP

Inventors
(72)	Hidetsugu FUJII, JP Haruyuki MORIKAWA, JP

Grantee
(73)	TOYO ENGINEERING CORPORATION, 2-5, Kasumigaseki 3-chome, Chiyoda-ku, Tokyo 100, JP

Attorney or representative
(74)	Rita LAURINAVIČIŪTĖ, Gedimino pr. 45-6, LT-01109 Vilnius, LT

Title
(54)	PROCESS FOR PREPARING GRANULAR UREA

Last renewal fee
	Payment date	Validity (years)	Amount
	2000-12-22	5	400.00 LTL

Legal status
	Patent lapsed (non-payment of fees)
	Invalidation date	2002-01-21