Absorbent polymer having reduced dusting tendencies
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Nov 30, 1999
Grant Date -
N/A
app pub date -
Oct 31, 1995
filing date -
Mar 29, 1993
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention provides water-swellable polymer compositions having reduced dusting tendencies, i.e, reduced amounts of unassoiated dust having a maximum diameter less than or equal to 10 microns and/or the tendency to generate reduced amounts of unassociatcd dust having a maximum diameter less than or equal to 10 microns upon attrition, and a process for preparing such compositions.
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 | |
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STOCKHAUSEN GMBH | BAKERPFAD 25 47805 KREFELD |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Staples, Thomas L | Midland, MI | 9 | 428 |
# of filed Patents : 9 Total Citations : 428 | |||
Treptow, Warren L | Midland, MI | 6 | 81 |
# of filed Patents : 6 Total Citations : 81 | |||
Wood, Stewart P | Midland, MI | 5 | 80 |
# of filed Patents : 5 Total Citations : 80 |
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Patent Citation Ranking
- 63 Citation Count
- C08J Class
- 97.78 % this patent is cited more than
- 26 Age
Forward Cite Landscape
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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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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Jun 16, 2021 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
Jan 02, 2018 | I | Issuance | |
Dec 13, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Sep 14, 2017 | P | Published | |
Mar 08, 2016 | F | Filing | |
Mar 08, 2016 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SCHEURER, JEFFREY H, II;SUPERNAVAGE, PETER A;ISHIKAWA, TETSUYA;SIGNING DATES FROM 20160224 TO 20160307;REEL/FRAME:037925/0272 Owner name: HONDA MOTOR CO., LTD., JAPAN |

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