D21C 3/08
Calcium bisulfite
Official title: calcium bisulfite
D21C3/08 (Calcium bisulfite) appears on 2 US grants and 5 published applications in this corpus.
Search patents in D21C- Granted patents
- 2
- Published applications
- 5
- Assignees
- 2
- Inventors
- 9
- Latest grant
- 31 Jan 2017
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| Year | Granted patents | Published applications |
|---|---|---|
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
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Recent patents
- Processes for producing cellulose pulp and pulp-derived products from lignocellulosic biomass31 Jan 2017US 9,556,557 B2API Intellectual Property Holdings, LLC
- Processes for producing cellulose pulp, sugars, and co-products from lignocellulosic biomass24 May 2016US 9,347,176 B2API Intellectual Property Holdings, LLC
- Processes for producing cellulose pulp and pulp-derived products from lignocellulosic biomass20 Jul 2017US 2017/0204563 A1API Intellectual Property Holdings, LLC
- Integrated process for producing cellulosic pulp and polyols stream15 Dec 2016US 2016/0362353 A1Biochemtex S.p.A.
- Processes for producing cellulose pulp and pulp-derived products from lignocellulosic biomass4 Aug 2016US 2016/0222586 A1API Intellectual Property Holdings, LLC
- Processes for producing cellulose pulp, sugars, and co-products from lignocellulosic biomass10 Apr 2014US 2014/0096922 A1API Intellectual Property Holdings, LLC
- Processes for producing cellulose pulp, sugars, and co-products from lignocellulosic biomass10 Apr 2014US 2014/0096923 A1API Intellectual Property Holdings, LLC
Most cited
By later US patents