Ulf Germgangrd
Inventor
Stats
- 2 US patents issued
- 2 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 2 US Patents Issued
- 2 US Applications Filed
- 5 Total Citation Count
- Jan 3, 1997 Most Recent Filing
- Apr 11, 1996 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| SUNDS DEFIBRATOR INDUSTRIES AKTIEBOLAG | 1
1 | 1996
1997 |
Inventor Addresses
| Address | Duration |
|---|---|
| Sundsbruk, SE | Apr 21, 98 - Nov 09, 99 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| D21C: | PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR | 2 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 5980689 | 1999 | Method of separating metal ions from pulp using a chelating agent | 1 |
| 5741398 | 1998 | Method of removing metal ions dissolved in the bleach plant waste water | 3 |
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