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

Patent Owner(s)

Patent Owner	Address
DATACARD CORPORATION	11111 BREN ROAD WEST MINNEAPOLIS MN 55440

International Classification(s)

• H04N:PICTORIAL COMMUNICATION, e.g. TELEVISION

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Adkins, David A	Robbinsdale, MN	8	206
# of filed Patents : 8 Total Citations : 206
Fitzsimmons, Steven J	Chaska, MN	2	27
# of filed Patents : 2 Total Citations : 27
Jordan, James M	Eagan, MN	11	429
# of filed Patents : 11 Total Citations : 429
Nubson, Richard C	Eden Prairie, MN	19	864
# of filed Patents : 19 Total Citations : 864
Sattler, Ronald L	Bloomington, MN	5	90
# of filed Patents : 5 Total Citations : 90

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Patent Citation Ranking

• 25 Citation Count
• H04N Class

• 74.50 % this patent is cited more than
• 29 Age

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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: 9266972

Polyrotaxane composition

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Abstract

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The present invention aims to provide a polyrotaxane composition having excellent storage stability. The present invention relates to a polyrotaxane composition comprising: a polyrotaxane containing a cyclodextrin, a polyethylene glycol which is included in the cavities of the cyclodextrin molecules in a skewered manner, and a capping group that is placed at each end of the polyethylene glycol and prevents dissociation of the cyclodextrin molecules from the polyethylene glycol; and a polyphenol antioxidant.

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Description

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Claims

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Claims data not available

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Legal Events

 

• STCH2024
• LAPS2024
• FP2024
• FEPP2023
• MAFP2019
• I2016
• STCF2016
• ZAAB2015
• ZAAA2015
• P2014
• AS2013
• F2011
• PD2011

Date	Code	Event	Description
Apr 01, 2024	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Apr 01, 2024	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES	free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Feb 23, 2024	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Feb 23, 2024
Oct 16, 2023	FEPP	FEE PAYMENT PROCEDURE	free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Jul 24, 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
Feb 23, 2016	I	Issuance
Feb 03, 2016	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Nov 25, 2015	ZAAB	NOTICE OF ALLOWANCE MAILED	free format text: ORIGINAL CODE: MN/=.
Nov 24, 2015	ZAAA	NOTICE OF ALLOWANCE AND FEES DUE	free format text: ORIGINAL CODE: NOA
Feb 27, 2014	P	Published
Oct 28, 2013	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:YAMASAKI, TOMOAKI;OKAZAKI, SHINYA;OKAZAKI, HIROKI;AND OTHERS;REEL/FRAME:031605/0193 Owner name: ADVANCED SOFTMATERIALS INC., JAPAN Effective Date: Oct 28, 2013 free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:YAMASAKI, TOMOAKI;OKAZAKI, SHINYA;OKAZAKI, HIROKI;AND OTHERS;REEL/FRAME:031605/0193 Owner name: SUMITOMO SEIKA CHEMICALS CO., LTD., JAPAN Effective Date: Oct 28, 2013
Dec 05, 2011	F	Filing
Mar 14, 2011	PD	Priority Date