C08B 9/04
Continuous processes
C08B9/04 (Continuous processes) appears on 6 US grants and 0 published applications in this corpus.
Search patents in C08B- Granted patents
- 6
- Published applications
- 0
- Assignees
- 2
- Inventors
- 3
- Latest grant
- 15 Sep 1981
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for continuous filtration and aging of xanthated alkali cellulose15 Sep 1981US 4,289,875 AFiber Associates, Inc.
- Automatic aging analyzer using a motor having a constant torque18 Aug 1981US 4,284,765 AFiber Associates, Inc.
- Process and apparatus for preparing a homogeneous solution of xanthated alkali cellulose7 Apr 1981US 4,260,739 AFiber Associates, Inc.
- Apparatus for continuous xanthation and production of viscose spinning solution19 Jun 1979US 4,158,698 AFiber Associates, Inc.
- Method for controlling oxygen level during continuous xanthation of alkali cellulose28 Feb 1978US 4,076,934 AOlin Corporation
No published applications in this class yet.
Most cited
By later US patents
- Process and apparatus for preparing a homogeneous solution of xanthated alkali cellulose7US 4,260,739 AFiber Associates, Inc. · 1981
- Process for continuous xanthation and production of viscose spinning solution4US 4,037,039 AFiber Associates, Inc. · 1977
- Apparatus for continuous xanthation and production of viscose spinning solution4US 4,158,698 AFiber Associates, Inc. · 1979
- Method for controlling oxygen level during continuous xanthation of alkali cellulose2US 4,076,934 AOlin Corporation · 1978
- Automatic aging analyzer using a motor having a constant torque2US 4,284,765 AFiber Associates, Inc. · 1981