SPLIT FEED ADDITION TO ISO-PRESSURE OPEN REFRIGERATION LPG RECOVERY
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United States of America Patent
Stats
-
N/A
Issued Date -
Sep 8, 2016
app pub date -
Oct 8, 2014
filing date -
Oct 9, 2013
priority date (Note) -
Published
status (Latency Note)
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Abstract
A process is disclosed herein for recovery of natural gas liquids from a feed gas stream, comprising forming a first portion of the feed gas stream and a second portion of the feed gas stream, wherein the mass ratio of the first portion to the second portion is in the range of 95:5 to 5:95, cooling the first portion in a heat exchanger and at least partially condensing the first portion, and feeding the second portion and the cooled and at least partially condensed first portion to a distillation column wherein lighter components are removed from the distillation column as an overhead vapor stream and heavier components are removed from the distillation column in the bottoms as a product stream, and wherein the second portion is fed into the distillation column at a point one or more vapor-liquid equilibrium stages below the first portion, thereby allowing mass transfer exchange between liquids of the cooled second portion and vapors of the second portion within the column. A corresponding apparatus is also disclosed.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
LUMMUS TECHNOLOGY INC | 1515 BROAD STREET BLOOMFIELD NJ 07003 |
International Classification(s)

- 2014 Application Filing Year
- F25J Class
- 160 Applications Filed
- 115 Patents Issued To-Date
- 71.88 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Huebel, Robert | Sugar Land, US | 1 | 1 |
# of filed Patents : 1 Total Citations : 1 | |||
Kumar, Ayyalasomayajula | Richmond, US | 1 | 1 |
# of filed Patents : 1 Total Citations : 1 | |||
Malsam, Michael | Sugar Land, US | 10 | 50 |
# of filed Patents : 10 Total Citations : 50 |
Cited Art Landscape
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Patent Citation Ranking
- 1 Citation Count
- F25J Class
- 25.53 % this patent is cited more than
- 9 Age
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- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 8, 2028 |
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 |
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