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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
EFIMOV VLADIMIR M	Not Provided

International Classification(s)

• C01C:AMMONIA; CYANOGEN; COMPOUNDS THEREOF

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bykova, Irina G	Otkrytoe shosse, 1, korpus 7, kv. 66, Moscow, SU	1	2
Efimov, Vladimir M	ulitsa Tsjurupy, 8, korpus 2, kv. 1, Moscow, SU	1	2
Naumova, Tatyana N	ulitsa Festivalnaya, 27, kv. 39, Moscow, SU	1	2
Stroganova, Larisa A	poselok Firsanovka, ulitsa Rechnaya, 6, kv. 14, Moskovskaya oblast, SU	1	2

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

Full Text

US Patent No: 4335088

Process for producing ammonium carbonate

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