Abstract: Compounds of Formula I, and their N-oxides and agriculturally suitable salts, are disclosed which are useful for controlling undesired vegetation wherein R1 is cyclopropyl optionally substituted with 1-5 R5, isopropyl optionally substituted with 1-5 R6, or phenyl optionally substituted with 1-3 R7; R2 is ((O)jC(R15)(R16))kR; R is CO2H or a herbicidally effective derivative of CO2H; R3 is halogen, cyano, nitro, OR20, SR21 or N(R22)R23; R4 is —N(R24)R25 or —NO2; j is 0 or 1; and k is 0 or 1; provided that when k is 0, then j is 0; and R5, R6, R7, R15, R16, R20, R21, R22, R23, R24 and R25 are as defined in the disclosure. Also disclosed are compositions comprising the compounds of Formula I and a method for controlling undesired vegetation which involves contacting the vegetation or its environment with an effective amount of a compound of Formula I.

Abstract: Current methods for making polyfluorosulfonamido amines, which involve the use of a diamine reactant, provide low yields and produce an undesirable fluorine containing bis-sulfonamide by-product representing an economic loss. The bis-sulfonamide by-product is particularly undesirable because it shares very similar physical properties with the desired monoamine product thus making isolation of the desired polyfluorosulfonamido amine product difficult and costly. Furthermore, instead of the efficient incorporation of fluorine to make the desired polyfluorosulfonamido amine product, the bis-sulfonamide by-product constitutes a substantial loss of costly fluorinated starting material. The bis-sulfonamide by-product also constitutes an undesirable impurity that can worsen surfactancy, repellency, or other performance characteristics of the desired polyfluorosulfonamido amine product.

Abstract: Provided is a composition comprising hexagonal boron nitride particles having a surface and a substituted phenyl radical bonded to the surface, the substituted phenyl radical being represented by the structure: where X is a radical selected from NH2—, HO—, R2OC(O)—, R2C(O)O—, HSO3—, NH2CO—, halogens, alkyl or aryl, including substituted aryl; where R1 is hydrogen, alkyl or alkoxy, and R2 is hydrogen, alkyl or aryl, including substituted aryl. A process for preparing the composition is also provided.

Abstract: Disclosed herein are 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexene compositions for use in refrigeration and air conditioning systems, particularly in centrifugal compressor systems. Also disclosed are 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexene in combination with fluoroethers, which are azeotropic or near azeotropic.

Abstract: An apparatus for mixing or otherwise processing fluids, which apparatus comprises, within a housing, a rotating perforated drum positioned tangentially relative to an inner non-rotating stationary body that is located within the rotating perforated drum. The outer surface of the rotating perforated drum is also positioned tangentially relative to the inner surface of the housing or other outer non-rotating stationary body. In operation, zones are formed which promote mixing of the fluid being processed and generate new fluid surfaces, thereby facilitating mixing, degassing and/or reaction.