|
|
|
|
|
Legal status
Application deemed to be withdrawn
| (51) | INT.CL.: (2006.01) |
C08F 20/00 C08F 220/00 C10M 145/00 |
| (11) | Number of the document | |
| (13) | Kind of document | A |
| (21) | Application number | IP186 |
| (22) | Date of filing the application | 1992-09-17 |
| (41) | Date of publication of the application | 1994-07-15 |
| (45) | Date of publication of patent |
| (30) | Number | Date | Country code |
| 854924 | 1992-03-20 | US | |
| 909931 | 1992-07-07 | US |
| (71) |
ROHM AND HAAS COMPANY,
Independence Mall West, Philadelphia, Pennsylvania 19105,
US
|
| (72) |
Chung Yin LAI, US
John Otto NAPLES, US |
| (73) |
ROHM AND HAAS COMPANY,
Independence Mall West, Philadelphia, Pennsylvania 19105,
US
|
| (74) |
Liudmila GERASIMOVIČ,
IĮ "Liudmila Gerasimovič, Patentinis patikėtinis", Vingrių g. 13-42, LT-01141 Vilnius,
LT
|
| (54) | DISPERSANT POLYMETHACRYLATE VISCOSITY INDEX IMPROVERS |