Description
Class C01C : AMMONIA; CYANOGEN; COMPOUNDS THEREOF
Subclass 1/245: Ammonia; Compounds thereof Sulfates of ammonium (C01C 1/14 takes precedence) Preparation from compounds containing nitrogen and sulfur
C01C 1/245
Sub-Class
Stats
- 4 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 2 Total Patent Owners
- 10 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10647663 | High purity HCN from acrylonitrile co-production | Jul 22, 16 | May 12, 20 | INVISTA NORTH AMERICA S A R L |
| 8328917 | System and method for photocatalytic oxidation air filtration using a substrate with photocatalyst particles powder coated thereon | Oct 22, 10 | Dec 11, 12 | SCIENTIFIC HEALTH DEVELOPMENT, LTD. |
| 7820100 | System and method for photocatalytic oxidation air filtration using a substrate with photocatalyst particles powder coated thereon | May 17, 07 | Oct 26, 10 | SCIENTIFIC HEALTH DEVELOPMENT, LTD. |
| 6121191 | Ultrafine metal particle carrying photocatalyst, highly function material loaded with the photocatalyst, and method of manufacturing them | May 18, 98 | Sep 19, 00 | DAIKEN CHEMICAL CO., LTD. |
Recent Publications
Not Available
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 34 Months (last 2 years Issuances)
- 34 Months (last 5 years Issuances)