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

Patent Owner(s)

• SIXRING INC.

International Classification(s)

• D21C:PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE ....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Pagels, Markus	Calgary, CA	34	128
Purdy, Clay	Medicine Hat, CA	102	123
Weissenberger, Markus	Calgary, CA	113	81
Wynnyk, Kyle G	Calgary, CA	38	21

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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	Jan 9, 2028
7.5 Year Payment	$3600.00	$1800.00	$900.00	Jan 9, 2032
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jan 9, 2036

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
July 09, 2024	US,12031269,B2   US12031269B2	GRANTED PATENT AS SECOND PUBLICATION
August 25, 2022	US,20220267952,A1   US20220267952A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent Application No: 12031269

Modified sulfuric acid and uses thereof

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