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

Patent Owner(s)

Patent Owner	Address
DUPONT NUTRITION BIOSCIENCES APS	1411 COPENHAGEN K

International Classification(s)

• C12C:BREWING OF BEER
• C12N:MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF
• C08B:POLYSACCHARIDES; DERIVATIVES THEREOF

• 2012 Application Filing Year
• C12C Class
• 28 Applications Filed
• 19 Patents Issued To-Date
• 67.86 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
HUA, Ling	Minhang District, Shanghai, CN	37	101
# of filed Patents : 37 Total Citations : 101
MILLER, Lone Brond	Viby J, DK	1	1
# of filed Patents : 1 Total Citations : 1
SORENSEN, Jens Frisbaek	Arhus, DK	10	46
# of filed Patents : 10 Total Citations : 46
YU, Zheyong	Hongkou District, Shanghai, CN	33	91
# of filed Patents : 33 Total Citations : 91
ZHANG, Zhenghong	Baoshan District, Shanghai, CN	35	30
# of filed Patents : 35 Total Citations : 30

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Patent Citation Ranking

• 1 Citation Count
• C12C Class

• 40.63 % 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	May 26, 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

Full Text

US Patent Application No: 2016/0039,151

COLOR SWITCHING FOR THREE-DIMENSIONAL PRINTING

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Abstract

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By reversing the direction of a first build material fed into an extruder, the first build material can be wholly or partially evacuated from the extruder before a second material is introduced. This approach mitigates transition artifacts and permits faster, more complete changes from one build material to another.

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Description

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