| |
 |
Yasufumi Ueda Patents |
|
Inventor: Ueda; Yasufumi
Address: Tokushima, JP
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 6015921 |
Process for producing carbamoylmethylurea derivatives |
January 18, 2000 |
| A method for preparing carbamoylmethylurea derivatives of the formula (I): ##STR1## characterized by reacting a compound of the formula (II): ##STR2## with a compound of the formula (III): ##STR3## |
| 4644043 |
Fluorine-containing polymer for gas separating membrane |
February 17, 1987 |
| This invention provides a polymer of .alpha.-fluoroacrylate derivative having a structural unit represented by the formula ##STR1## wherein X is fluorine or fluoroalkyl having 1 to 3 carbon atoms, m is an integer of 1 to 3 and n is an integer of 0 to 5. |
|
|
|
