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Class Information
Number: 700/266
Name: Data processing: generic control systems or specific applications > Specific application, apparatus or process > Chemical process control or monitoring system
Description: Subject matter under subclass 90 comprising means for regulating or observing a chemical process (e.g., reaction) for producing a chemical product.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4332590 |
Reactor control |
Jun. 1, 1982 |
| 4329150 |
Method and apparatus for control and optimization of pyrolysis furnace with multiple parallel passes |
May. 11, 1982 |
| 4311672 |
Method and apparatus for producing carbon black |
Jan. 19, 1982 |
| 4302205 |
Input control method and means for nitrogen oxide removal |
Nov. 24, 1981 |
| 4298955 |
Method of and apparatus for the detection and analysis of hazards |
Nov. 3, 1981 |
| 4290110 |
Temperature control for a reactor |
Sep. 15, 1981 |
| 4288230 |
Method and a device for the production of a solid-forming or foam-forming flowable reaction mixture |
Sep. 8, 1981 |
| 4272823 |
Control system for a reactor |
Jun. 9, 1981 |
| 4263010 |
Control method and apparatus for crystallizer process control |
Apr. 21, 1981 |
| 4256695 |
Copper liquor control system |
Mar. 17, 1981 |
| 4251503 |
Efficiency control system for chlorine dioxide plants |
Feb. 17, 1981 |
| 4251221 |
Method and apparatus for fine-tuning in carbon black production |
Feb. 17, 1981 |
| 4251224 |
Control system for chlorine dioxide plants |
Feb. 17, 1981 |
| 4249908 |
Temperature control of exothermic reactions |
Feb. 10, 1981 |
| 4249907 |
Temperature control of exothermic reactions |
Feb. 10, 1981 |
| 4217243 |
Catalyst regenerator control |
Aug. 12, 1980 |
| 4211340 |
Catalyst regeneration |
Jul. 8, 1980 |
| 4187548 |
Simulation of catalytic cracking process |
Feb. 5, 1980 |
| 4176052 |
Apparatus and method for controlling the rate of feeding a petroleum product to a coking drum system |
Nov. 27, 1979 |
| 4164451 |
Pressure responsive fractionation control |
Aug. 14, 1979 |
| 4155774 |
Process for controlling the rate of growth of particulate masses |
May. 22, 1979 |
| 4132530 |
Temperature control in exothermic/endothermic reaction systems |
Jan. 2, 1979 |
| 4132529 |
Temperature control in exothermic/endothermic reaction systems |
Jan. 2, 1979 |
| 4057396 |
Fluid-wall reactor for high temperature chemical reaction processes |
Nov. 8, 1977 |
| 4055751 |
Process control system for the automatic analysis and regeneration of galvanic baths |
Oct. 25, 1977 |
| 4035251 |
Method and apparatus for reduction cell control |
Jul. 12, 1977 |
| 4022555 |
Tire cure programmer and function generator |
May. 10, 1977 |
| 4012199 |
Chemical reaction and production systems with a spectro-optical digitizer |
Mar. 15, 1977 |
| 3993447 |
Apparatus and method for control of carbon black reactor |
Nov. 23, 1976 |
| 3986029 |
Method for controlling uranium enrichment systems |
Oct. 12, 1976 |
| 3985712 |
Method and apparatus for preparing intermediate polyester resin |
Oct. 12, 1976 |
| 3981793 |
Automatic control of a hydrocracker |
Sep. 21, 1976 |
| 3981942 |
HF alkylation process and reaction temperature control system |
Sep. 21, 1976 |
| 3979183 |
Heat exchange and flow control system for series flow reactors |
Sep. 7, 1976 |
| 3972804 |
Control of hydrogen/hydrocarbon mole ratio in hydrogen-consuming process |
Aug. 3, 1976 |
| 3972957 |
HF alkylation reaction temperature control system |
Aug. 3, 1976 |
| 3969078 |
HF Alkylation reaction temperature control system |
Jul. 13, 1976 |
| 3963909 |
Method and apparatus for computation in a kinetic analyzer |
Jun. 15, 1976 |
| RE28864 |
Process and apparatus for automated regulation of sulphur production units |
Jun. 15, 1976 |
| 3960707 |
Simulation of catalytic cracking process |
Jun. 1, 1976 |
| 3937747 |
Balancing adiabatic reactors |
Feb. 10, 1976 |
| 3937749 |
HF Alkylation reaction temperature control |
Feb. 10, 1976 |
| 3937615 |
Auto-ranging glucose measuring system |
Feb. 10, 1976 |
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