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

Patent Owner(s)

Patent Owner	Address
G D SEARLE & CO	SKOKIE IL

International Classification(s)

• C07J:STEROIDS

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Anderson, Dennis K	St. Louis, MO	19	35
Baez, Julio A	Chesterfield, MO	16	34
Erb, Bernhard	Gipf-Oberfrick, CH	34	75
Kunda, Sastry A	St. Louis, MO	19	40
Lawson, Jon P	St. Louis, MO	30	150
Letendre, Leo J	St. Louis, MO	21	43
Liu, Chin	St. Louis, MO	22	61
Ng, John S	Chicago, IL	48	126
Pozzo, Mark J	St. Louis, MO	24	133
Sing, Yuen-Lung L	St. Louis, MO	32	73
Wang, Ping T	St. Louis, MO	24	57
Wieczorek, Joseph	Chicago, IL	22	87
Yonan, Edward E	Carol Stream, IL	23	53

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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: 5981744

Processes for preparation of 9,11-epoxy steroids and intermediates useful therein

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