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

Patent Owner(s)

Patent Owner	Address
BTG INTERNATIONAL LIMITED	LONDON EC4M 7RD

International Classification(s)

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

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Fowers, Kirk D	Centerville, US	3	59
# of filed Patents : 3 Total Citations : 59
Piao, Ai-Zhi	Salt Lake City, US	10	395
# of filed Patents : 10 Total Citations : 395
Rathi, Ramesh C	Cottonwood Heights, US	5	867
# of filed Patents : 5 Total Citations : 867

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Patent Citation Ranking

• 1 Citation Count
• A61K Class

• 31.06 % this patent is cited more than
• 10 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Apr 13, 2027

Fee	Large entity fee	small entity fee	micro entity fee
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
October 13, 2015	US,9155722,B2   US9155722B2	GRANTED PATENT AS SECOND PUBLICATION
March 24, 2011	US,20110071216,A1   US20110071216A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9155722

Reconstitutable reverse thermal gelling polymers

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Abstract

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Biodegradable and bioabsorbable block copolymers, which can be in the form of solid powder or powder wax compositions that can be easily reconstituted into an aqueous polymer solution and exhibit reverse thermal gellation properties upon exposure to elevated temperatures, are provided. Methods of making using these copolymers are also provided.

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Description

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Claims

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Legal Events

 

• MAFP2023
• MAFP2019
• AS2017
• CC2016
• I2015
• STCF2015
• AS2015
• AS2013
• AS2011
• P2011
• F2010

Date	Code	Event	Description
Mar 21, 2023	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8
Mar 28, 2019	MAFP	MAINTENANCE FEE PAYMENT	free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4
Mar 30, 2017	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:PROTHERICS MEDICINES DEVELOPMENT LIMITED;REEL/FRAME:043140/0686 Owner name: BTG INTERNATIONAL LIMITED, UNITED KINGDOM Effective Date: Mar 30, 2017
Apr 19, 2016	CC	CERTIFICATE OF CORRECTION
Oct 13, 2015	I	Issuance
Sep 23, 2015	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Jun 10, 2015	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:FOWERS, KIRK D.;RATHI, RAMESH C.;PIAO, AI-ZHI;SIGNING DATES FROM 20091027 TO 20091102;REEL/FRAME:035880/0320 Owner name: PROTHERICS SALT LAKE CITY, INC., UTAH
Jul 23, 2013	AS	ASSIGNMENT	free format text: MERGER;ASSIGNOR:PROTHERICS SALT LAKE CITY, INC.;REEL/FRAME:042555/0811 Owner name: BTG INTERNATIONAL INC., UNITED KINGDOM Effective Date: Jul 23, 2013
Dec 12, 2011	AS	ASSIGNMENT	free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE NAME PREVIOUSLY RECORDED AT REEL: 042555 FRAME: 0811. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT;ASSIGNOR:PROTHERICS SALT LAKE CITY, INC.;REEL/FRAME:042837/0001 Owner name: PROTHERICS MEDICINES DEVELOPMENT LIMITED, UNITED K Effective Date: Dec 12, 2011
Mar 24, 2011	P	Published
Sep 20, 2010	F	Filing