Surface active agents as gas hydrate inhibitors
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Nov 24, 1998
Issued Date -
N/A
app pub date -
Jun 2, 1995
filing date -
Sep 15, 1994
priority date (Note) -
In Force
status (Latency Note)
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Abstract
This invention is directed toward a method for inhibiting the formation (nucleation, growth and agglomeration) of clathrate hydrates. The method comprises adding into a mixture comprising hydrate forming substituents and water, an effective amount of a hydrate inhibitor selected from the group consisting of anionic, cationic, non-ionic and zwitterionic hydrate inhibitors. The hydrate inhibitor has a polar head group and a nonpolar tail group not exceeding 12 carbon atoms in the longest carbon chain.
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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EXXONMOBIL UPSTREAM RESEARCH COMPANY | 3120 BUFFALO SPEEDWAY HOUSTON TX 77098 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Colle, Karla Schall | Houston, TX | 17 | 225 |
# of filed Patents : 17 Total Citations : 225 | |||
Costello, Christine Ann | Easton, PA | 7 | 131 |
# of filed Patents : 7 Total Citations : 131 | |||
Peiffer, Dennis George | Annanda le, NJ | 19 | 477 |
# of filed Patents : 19 Total Citations : 477 | |||
Rabeony, Manese | Piscataway, NJ | 6 | 125 |
# of filed Patents : 6 Total Citations : 125 | |||
Talley, Larry Dalton | Friendswood, TX | 6 | 153 |
# of filed Patents : 6 Total Citations : 153 | |||
Wright, Pamela Jean | Easton, PA | 7 | 110 |
# of filed Patents : 7 Total Citations : 110 |
Cited Art Landscape
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Patent Citation Ranking
- 25 Citation Count
- C07C Class
- 92.81 % this patent is cited more than
- 27 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

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