USH2276HActiveUtility

Branched amide polymeric superabsorbents

45
Individually held — no corporate assignee on recordPriority: Jan 9, 2012Filed: Jan 9, 2012Granted: Jun 4, 2013
Est. expiryJan 9, 2032(~5.5 yrs left)· nominal 20-yr term from priority
Inventors:BURGIN TIMOTHY P
C08F 222/385C08F 220/58
45
PatentIndex Score
0
Cited by
15
References
12
Claims

Abstract

A superabsorbent polymeric material for absorption of organic liquids which includes at least one cross-linked branched amide polymer for absorbing and retaining quantities of organic liquids equivalent to several times its dry weight.

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
       1. A superabsorbent polymeric material for absorption of organic liquids consisting essentially of at least one crosslinked branched amide polymer. 
     
     
       2. The superabsorbent polymeric material according to  claim 1 , wherein the superabsorbent polymeric material absorbs and retains quantities of organic liquids equivalent to several times its dry weight. 
     
     
       3. The superabsorbent polymeric material according to  claim 1 , wherein the cross-linked branched amide polymer has an absorption capacity as high as 500 times its dry weight. 
     
     
       4. The superabsorbent polymeric material according to  claim 1 , wherein the cross-linked branched amide polymer absorbs organic liquids with dielectric constants between two and 40 at 15 times its weight or more. 
     
     
       5. The superabsorbent polymeric material according to  claim 1 , wherein the cross-linked branched amide polymer is poly[N,N-di(2-methoxyethyl)acrylamide]. 
     
     
       6. The superabsorbent polymeric material according to  claim 1 , wherein the organic liquids consist of polar and non-polar solvents. 
     
     
       7. The superabsorbent polymeric material according to  claim 6 , wherein the solvents comprise alicyclic organic liquids. 
     
     
       8. The superabsorbent polymeric material according to  claim 6 , wherein the solvents comprise aliphatic organic liquids. 
     
     
       9. The superabsorbent polymeric material according to  claim 6 , wherein the solvents comprise aromatic organic liquids. 
     
     
       10. The superabsorbent polymeric material according to  claim 6 , wherein the solvents comprise hydrocarbons. 
     
     
       11. A composition comprising the superabsorbent polymeric material according to  claim 1 . 
     
     
       12. The composition according to  claim 11 , wherein the composition is in the form at least one of a film, a layer, a sheet, a pad, a gel, particles, and fibers.

Join the waitlist — get patent alerts

Track USH2276H — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.