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

Patent Owner(s)

Patent Owner	Address
ALCON INC	RUE LOUIS-D'AFFRY 6 FRIBOURG 1701

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• B82Y:SPECIFIC USES OR APPLICATIONS OF NANO-STRUCTURES; ....
• A61P:THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDI....
• B01F:MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Davis, James W	Falmouth, US	72	1722
Ketelson, Howard Allen	Dallas, US	68	241
Rangarajan, Rekha	Fort Worth, US	20	137

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	Feb 22, 2027
7.5 Year Payment	$3600.00	$1800.00	$900.00	Feb 22, 2031
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Feb 22, 2035

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 3.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
August 22, 2023	US,11730699,B2   US11730699B2	GRANTED PATENT AS SECOND PUBLICATION
May 06, 2021	US,20210128468,A1   US20210128468A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 11730699

Lipid-based ophthalmic emulsion

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