US 6133411
SLURRY MIXTURE FORMING AN ADDITIVE FOR PRODUCING A HYDRODYNAMIC DRAG REDUCTION AQUEOUS POLYMER SOLUTION
Assignee
Filed
Jul 26, 1966
Granted
Oct 17, 2000
Location
PASADENA CA US
Abstract
A slurry mixture comprising a water soluble resin of the polyacrylamide class of polymers suspended as a gel in a non-solvent to the resin, but itself water soluble, from a group consisting of (a) the glycol ether type of compounds, or (b) the Tris (tetrahydrofurfuryl) phosphate type containing the tetrahydrofurfuryl ring.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Jan 7, 1982
Rescinded
Nov 3, 1998
Duration
16 years, 10 months
Inventor
- 1ALEXANDER B. ARRANAGA
Record Details
- Patent number
- US 6133411
- Application
- 04568055
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
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Back to patent indexSource: USPTO 35 USC §181 secrecy order records