C01B 25/414
Apparatus
Official title: {Apparatus}
C01B25/414 (Apparatus) appears on 4 US grants and 0 published applications in this corpus.
Search patents in C01B- Granted patents
- 4
- Published applications
- 0
- Assignees
- 2
- Inventors
- 12
- Latest grant
- 9 Jun 1987
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Novel anhydrous sodium tripolyphosphate9 Jun 1987US 4,671,949 ARhone-Poulenc Industries
- Device for making alkali metal phosphates by spraying alkali metal phosphate solutions or suspensions3 Jun 1986US 4,592,803 AHoechst Aktiengesellschaft
- Process for making alkali metal polyphosphates13 Aug 1985US 4,534,946 AHoechst Aktiengesellschaft
- Process and device for making alkali metal phosphates by spraying alkali metal phosphate solutions or suspensions26 Feb 1985US 4,501,639 AHoechst Aktiengesellschaft
No published applications in this class yet.
Most cited
By later US patents
- Process for making alkali metal polyphosphates5US 4,534,946 AHoechst Aktiengesellschaft · 1985
- Process and device for making alkali metal phosphates by spraying alkali metal phosphate solutions or suspensions3US 4,501,639 AHoechst Aktiengesellschaft · 1985
- Novel anhydrous sodium tripolyphosphate3US 4,671,949 ARhone-Poulenc Industries · 1987
- Device for making alkali metal phosphates by spraying alkali metal phosphate solutions or suspensions2US 4,592,803 AHoechst Aktiengesellschaft · 1986