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

Patent Owner(s)

Patent Owner	Address
HERCULES LLC	500 HERCULES ROAD WILMINGTON DE 19808

International Classification(s)

• A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
• A01N:PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLA....
• C08B:POLYSACCHARIDES; DERIVATIVES THEREOF
• C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS

• 2014 Application Filing Year
• A61K Class
• 14144 Applications Filed
• 11600 Patents Issued To-Date
• 82.02 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Brugel, Todd A	Wilmington, US	5	7
# of filed Patents : 5 Total Citations : 7
Nguyen, Tuyen T	Newark, US	30	237
# of filed Patents : 30 Total Citations : 237
Sahoo, Sangrama	Wilmington, US	1	6
# of filed Patents : 1 Total Citations : 6
Tewari, Divya	West Chester, US	16	1671
# of filed Patents : 16 Total Citations : 1671
Zong, Yuda	West Chester, US	3	20
# of filed Patents : 3 Total Citations : 20

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Patent Citation Ranking

• 1 Citation Count
• A61K Class

• 38.16 % this patent is cited more than
• 9 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	May 15, 2028

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
November 15, 2016	US,9492550,B2   US9492550B2	GRANTED PATENT AS SECOND PUBLICATION
September 04, 2014	US,20140249235,A1   US20140249235A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 9492550

Pharmaceutical compositions with enhanced performance and improved processability

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Abstract

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The presently disclosed and claimed inventive concept(s) relates to a polymer for enhancing drug performance and improving processability. Specifically, the polymer comprises hydroxypropyl methyl cellulose acetate succinate (HPMC-AS). On the HPMC-AS, the percentage of total succinoyl degree of substitution is less than 12% at C6-OH position and greater than 53% at C3-OH, and the percentage of total acetyl degree of substitution is greater than 32% at C6-OH position.

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Description

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Claims

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Claims data not available

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Legal Events

 

• MAFP2024
• MAFP2020
• AS2020
• AS�2017
• I2016
• STCF2016
• AS2016
• P2014
• AS2014
• F2014

Date	Code	Event	Description
May 15, 2024	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
May 15, 2020	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
Jan 10, 2020	AS	ASSIGNMENT	free format text: RELEASE BY SECURED PARTY;ASSIGNOR:THE BANK OF NOVA SCOTIA;REEL/FRAME:051557/0504 Owner name: HERCULES LLC, DELAWARE Effective Date: Jan 10, 2020 free format text: RELEASE BY SECURED PARTY;ASSIGNOR:THE BANK OF NOVA SCOTIA;REEL/FRAME:051557/0504 Owner name: AVOCA LLC, NORTH CAROLINA Effective Date: Jan 10, 2020 free format text: RELEASE BY SECURED PARTY;ASSIGNOR:THE BANK OF NOVA SCOTIA;REEL/FRAME:051557/0504 Owner name: PHARMACHEM LABORATORIES LLC, NEW JERSEY Effective Date: Jan 10, 2020 free format text: RELEASE BY SECURED PARTY;ASSIGNOR:THE BANK OF NOVA SCOTIA;REEL/FRAME:051557/0504 Owner name: ISP INVESTMENTS LLC, NEW JERSEY Effective Date: Jan 10, 2020
Jun 30, 2017	AS�	SECURITY INTEREST	free format text: SECURITY AGREEMENT;ASSIGNORS:AVOCA, INC.;HERCULES LLC;ISP INVESTMENTS LLC;AND OTHERS;REEL/FRAME:043084/0753 Owner name: THE BANK OF NOVA SCOTIA, AS ADMINISTRATIVE AGENT, CANADA Effective Date: Jun 30, 2017 free format text: SECURITY AGREEMENT;ASSIGNORS:AVOCA, INC.;HERCULES LLC;ISP INVESTMENTS LLC;AND OTHERS;REEL/FRAME:043084/0753 Owner name: THE BANK OF NOVA SCOTIA, AS ADMINISTRATIVE AGENT, Effective Date: Jun 30, 2017
Nov 15, 2016	I	Issuance
Oct 26, 2016	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Aug 18, 2016	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HERCULES INCORPORATED;REEL/FRAME:040246/0617 Owner name: HERCULES LLC, DELAWARE Effective Date: Aug 18, 2016
Sep 04, 2014	P	Published
Feb 27, 2014	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BRUGEL, TODD A;NGUYEN, TUYEN T;SAHOO, SANGRAMA;AND OTHERS;SIGNING DATES FROM 20140220 TO 20140221;REEL/FRAME:032312/0311 Owner name: HERCULES INCORPORATED, DELAWARE
Feb 21, 2014	F	Filing