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

Patent Owner(s)

Patent Owner	Address
EA TECHNOLOGY LIMITED	CAPENHURST CHESTER CH1 6ES

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS
• C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Chambers, Richard D	5 Aykley Green, Whitesmocks, Durham DH1 4LN, GB	10	36
Drakesmith, Frederick G	5 Ffordd Argoed, Bryn Awelon, Mold, Clwyd, Wales, GB	3	17
Grievson, Brian	Ivy Cottage, Waldridge Hall Farm, Waldridge Colliery, County Durham, GB	1	14
Powell, Richard L	47 The Loont, Winsford, Cheshire, CW7 1EX, GB	20	368

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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: 4736045

Process for fluorinating ethers

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