Family

Loading Family data...

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

Patent Owner(s)

Patent Owner	Address
THE BOOTS COMPANY PLC	1 THANE ROAD WEST NOTTINGHAM NG2 3AA

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Elsom, Nicola Anne	Leicestershire, GB2	1	10
# of filed Patents : 1 Total Citations : 10
Galley, Edward	Nottinghamshire, GB2	16	318
# of filed Patents : 16 Total Citations : 318

Cited Art Landscape

Load Citation

• No Cited Art to Display

Loading Cited Art Landscape...

Patent Citation Ranking

• 10 Citation Count
• A61K Class

• 10.32 % this patent is cited more than
• 27 Age

Forward Cite Landscape

Load Citation

• No Forward Cites to Display

Loading Forward Cite Landscape...

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: 5817298

Titanium dioxide sunscreens

---

Abstract

---

Titanium dioxide particles having a mean primary particle size of less than 100 nm, each of said particles being substantially coated with phospholipid are disclosed. The phospholipid is preferably selected from phosphatidyl cholines, phosphatidyl ethanolamines, phosphatidyl serines, phosphatidyl inositols and mixtures thereof, in particular lecithin. Phospholipid-coated titanium dioxide particles may be incorporated into oil-in-water and water-in-oil emulsions to provide novel sunscreen compositions with excellent ultraviolet screening efficiency, long term stability and water-resistant properties.

---

 

---

Description

---

Claims

---

Claims data not available

---

Legal Events

 

• STCH2006
• FP2006
• LAPS2006
• REMI2006
• FPAY2002
• I1998
• F1991
• PD1988

Date	Code	Event	Description
Nov 08, 2006	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Oct 06, 2006	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Oct 06, 2006
Oct 06, 2006	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Apr 26, 2006	REMI	MAINTENANCE FEE REMINDER MAILED
Mar 14, 2002	FPAY	FEE PAYMENT	year of fee payment: 4
Oct 06, 1998	I	Issuance
May 30, 1991	F	Filing
Nov 30, 1988	PD	Priority Date