Cationic polysaccharide, its preparation and use
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 6, 2012
Grant Date -
Nov 11, 2010
app pub date -
Apr 24, 2007
filing date -
Apr 24, 2006
priority date (Note) -
In Force
status (Latency Note)
![]() |
A preliminary load of PAIR data current through [] has been loaded. Any more recent PAIR data will be loaded within twenty-four hours. |
PAIR data current through []
A preliminary load of cached data will be loaded soon.
Any more recent PAIR data will be loaded within twenty-four hours.
![]() |
Next PAIR Update Scheduled on [ ] |

Importance

US Family Size
|
Non-US Coverage
|
Patent Longevity
|
Forward Citations
|
Abstract
The present invention relates to polysaccharide, preferably starch, of high purity having cationic degree of substitution over 0.50 and bound nitrogen index after cationization reaction stage over 0.75, and to preparation thereof as well as to its use in making of paper or paperboard.
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 | |
---|---|---|
CHEMIGATE OY | 62100 LAPUA |
International Classification(s)

- 2007 Application Filing Year
- C08B Class
- 151 Applications Filed
- 77 Patents Issued To-Date
- 51 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Karppi, Asko | Turku, FI | 33 | 76 |
# of filed Patents : 33 Total Citations : 76 | |||
Knubb, Bengt-Erik | Turku, FI | 1 | 20 |
# of filed Patents : 1 Total Citations : 20 | |||
Reinicke, Holger | Lörrach, DE | 5 | 38 |
# of filed Patents : 5 Total Citations : 38 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 3 Citation Count
- C08B Class
- 11.11 % this patent is cited more than
- 13 Age
Forward Cite Landscape
- No Forward Cites to Display

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

Legal Events
Date | Code | Event | Description |
---|---|---|---|
Dec 07, 2020 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2551); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY year of fee payment: 4 |
Sep 18, 2020 | AS | ASSIGNMENT | free format text: CONFIRMATORY LICENSE;ASSIGNOR:UNIVERSITY OF CALIFORNIA BERKELEY;REEL/FRAME:054117/0658 Owner name: UNITED STATES DEPARTMENT OF ENERGY, DISTRICT OF COLUMBIA Effective Date: Sep 18, 2020 |
Jan 10, 2018 | PD | Priority Date | |
Jan 09, 2018 | I | Issuance | |
Dec 20, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jun 01, 2017 | P | Published | |
Jan 23, 2017 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LONG, JEFFREY R.;MCDONALD, THOMAS M.;D'ALESSANDRO, DEANNA M.;SIGNING DATES FROM 20170110 TO 20170120;REEL/FRAME:041050/0647 Owner name: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, CALIF |
Dec 08, 2016 | F | Filing |

Matter Detail

Renewals Detail
