- All sections
 - C - Chemistrymetallurgy
 - C02F - Treatment of water, waste water, sewage, or sludge
 - C02F 1/76 - Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
 
Patent holdings for IPC class C02F 1/76
Total number of patents in this class: 1198
10-year publication summary
| 
					 115 
					
				 | 
			
				
					 80 
					
				 | 
			
				
					 99 
					
				 | 
			
				
					 110 
					
				 | 
			
				
					 83 
					
				 | 
			
				
					 81 
					
				 | 
			
				
					 83 
					
				 | 
			
				
					 50 
					
				 | 
			
				
					 53 
					
				 | 
			
				
					 40 
					
				 | 
			
		
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 
Principal owners for this class
| Owner | 
				 All patents 
			 | 
			
				 This class 
			 | 
		
|---|---|---|
| Kurita Water Industries Ltd. | 1214  | 
				55  | 
			
| Ecolab USA Inc. | 5553  | 
				44  | 
			
| King Technology, Inc. | 270  | 
				41  | 
			
| Organo Corporation | 498  | 
				36  | 
			
| Truox, Inc. | 37  | 
				19  | 
			
| Innovative Water Care, LLC | 304  | 
				16  | 
			
| A.Y. Laboratories Ltd. | 24  | 
				13  | 
			
| Cleanwater1, Inc. | 37  | 
				11  | 
			
| Panasonic Intellectual Property Management Co., Ltd. | 32199  | 
				10  | 
			
| BCR Environmental Corporation | 26  | 
				10  | 
			
| ChemTreat, Inc. | 236  | 
				10  | 
			
| Unilever PLC | 3160  | 
				9  | 
			
| Unilever N.V. | 3069  | 
				9  | 
			
| Arch Chemicals, Inc. | 98  | 
				9  | 
			
| Bio-lab, Inc. | 154  | 
				9  | 
			
| Kemira Oyj | 1221  | 
				9  | 
			
| Crystal Lagoons Technologies, Inc. | 110  | 
				9  | 
			
| Bromine Compounds Ltd. | 188  | 
				8  | 
			
| Hayward Industries, Inc. | 667  | 
				8  | 
			
| Hindustan Unilever Limited | 1149  | 
				8  | 
			
| Other owners | 855 |