Reducing content of hexenuronic acids in cellulosic pulp
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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May 15, 2018
Issued Date -
N/A
app pub date -
Aug 7, 2014
filing date -
Aug 9, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention provides an enzymatic method for reducing the content of hexenuronic acids in a chemical cellulosic pulp and/or improvement of the brightness of cellulosic pulp using haloperoxidase.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
NOVOZYMES A/S | DENMARK BAGSVAERD BAGSVAERD REGION HOVEDSTADEN |
International Classification(s)

- 2014 Application Filing Year
- D21C Class
- 138 Applications Filed
- 121 Patents Issued To-Date
- 87.69 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Cassland, Bjoern Lennart Pierre Alexander | Bagsvaerd, DK | 4 | 8 |
# of filed Patents : 4 Total Citations : 8 | |||
Lassen, Klaus Skaalum | Bagsvaerd, DK | 3 | 4 |
# of filed Patents : 3 Total Citations : 4 | |||
Loureiro, Pedro Emanuel Garcia | Bagsvaerd, DK | 6 | 9 |
# of filed Patents : 6 Total Citations : 9 | |||
Lund, Henrik | Bagsvaerd, DK | 62 | 270 |
# of filed Patents : 62 Total Citations : 270 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 1 Citation Count
- D21C Class
- 56.19 % this patent is cited more than
- 7 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 15, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 15, 2029 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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 |
Full Text

Legal Events
Date | Code | Event | Description |
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Jul 05, 2021 | 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 |
Jul 05, 2021 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
May 30, 2021 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: May 30, 2021 |
Jan 18, 2021 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
May 30, 2017 | I | Issuance | |
May 10, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Apr 02, 2013 | AS | ASSIGNMENT | free format text: CONFIRMATORY LICENSE;ASSIGNOR:CERAMATEC, INC.;REEL/FRAME:033348/0403 Owner name: USAF, OHIO Effective Date: Apr 02, 2013 |
Jun 21, 2011 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ELANGOVAN, S.;HARTVIGSEN, JOSEPH J.;REEL/FRAME:026679/0341 Owner name: CERAMATEC, INC., UTAH Effective Date: Jun 21, 2011 |
Nov 04, 2010 | P | Published | |
Sep 29, 2008 | F | Filing |

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