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

Patent Owner(s)

Patent Owner	Address
BASF ENZYMES LLC	3550 JOHN HOPKINS COURT SAN DIEGO CA 92121

International Classification(s)

• C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
• C12N:MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF

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• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Barrett, Kenneth E	San Diego, US	6	4
Davenport, Adrienne Huston	San Diego, US	3	12
Tan, Xuqiu	San Diego, US	30	99
Urbina, Hugo D	San Diego, US	4	3
Wall, Mark A	San Diego, US	20	119
Whipple, Lawrence E	San Diego, US	2	3
Zhang, Bin	San Diego, US	638	5281

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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	Sep 26, 2026

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

Full Text

US Patent Application No: 2015/0087,029

GENES ENCODING CELLULASE FOR HYDROLYZING GUAR FRACTURING FLUIDS UNDER EXTREME WELL CONDITIONS

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