Abstract: A series of ester and salt derivatives of fluorene-9-carboxylic acid and fluorene-1-carboxylic acid exhibit significant plant growth regulating properties, useful in controlling the size, shape, dormancy time, flowering time and/or fruit setting of plants, depending upon the concentrations used. They may also be used to control the growth rate, texture and color of turf grass. Presently preferred compounds include the cis-2,5-dimethylpyrrolidine salt of 1-fluorenecarboxylic acid, 9-cis-2,5-dimethyl-1-pyrrolidinyl-2-chlorofluorene-9-carboxylic acid, methyl ester, the 2,6-dimethylpiperidine salt of 1-fluorenecarboxylic acid, and the cis-2,5-dimethylpyrrolidine salt of 9-hydroxyfluorene-9-carboxylic acid.

Abstract: Novel hydrophilic copolymers are prepared containing a major portion of polymerized units of an hydroxyalkyl acrylate or methacrylate monomer and a minor portion of a nitro-substituted aryl acrylate or methacrylate monomer, and optionally with a minor amount of an alkylene glycol diacrylate or methacrylate as a cross-linking agent. These copolymers are made by a free radical polymerization mechanism or by gamma radiation of the reaction mixture. These copolymers are particularly useful as soft contact lens polymers, being extremely resistant to clouding and/or discoloration in use.

Abstract: Stabilized pesticide compositions for use particularly as insecticides comprise gallic acid or the propyl ester thereof in combination with an oxime carbamate of the formula ##STR1## wherein R.sub.1 can be R.sub.2 -R.sub.4 or X; R.sub.2 -R.sub.4 can be H, lower alkyl, lower alkenyl, lower alkynyl, substituted alkyl, alkenyl or alkynyl with the proviso that R.sub.2 and R.sub.3 may be connected to form a cycloaliphatic ring;R.sub.5 can be R.sub.2 -R.sub.4 or X with the proviso that when R.sub.5 and X are OR.sub.8, SR.sub.8, S(O)R.sub.8, SO.sub.2 R.sub.8, or NR.sub.8 R.sub.9, R.sub.5 and X may be connected to form a heterocyclic ring;R.sub.6 -R.sub.7 can be hydrogen, lower alkyl, lower alkenyl or lower alkynyl;X=SR.sub.8, S(O)R.sub.8, SO.sub.2 R.sub.8, OR.sub.8, OSO.sub.2 R.sub.8, NR.sub.8 R.sub.9, NO.sub.2, CN, SCN, N.sub.3 or halogen; andR.sub.8 =H, lower alkyl, lower alkenyl lower alkynyl, aryl or substituted aryl, carbamyl, substituted carbamyl, acyl, or substituted acyl; and R.sub.

Abstract: A liquid alkali metal silicate composition comprises water, an alkali metal, e.g., sodium silicate, glyoxal, optionally a Group I-III metal salt, e.g., calcium chloride, and hydrogen peroxide, and from 0.5 to 2.0 moles of a polyhydroxy compound per mole of glyoxal used. The specific polyols are mannitol, glycerol and sucrose. This composition is easily pumpable and injectable at a temperature of 100.degree. F. or higher.

Abstract: A hydrophilic polymer shaped article adapted for use as a soft contact lens is treated to provide at least on the surfaces thereof a modified, less hydrophilic polymeric structure inhibiting penetration by proteins and other substances in the eye environment, whereby development of clouding and discoloration of the lens material during use is significantly retarded.

Abstract: A liquid alkali metal silicate composition comprises water, an alkali metal, e.g., sodium silicate, and as curing agent for said alkali metal silicate, a derivative of glyoxal which is 2,3-dihydroxy-1,4-dioxane or glyoxal trimer. The composition optionally contains a Group I-III metal salt, e.g., calcium chloride and hydrogen peroxide. It is easily pumpable and injectable at a temperature of 100.degree. F. or higher.

Abstract: An easily pumpable, liquid alkali metal, e.g., sodium silicate composition of controlled gelling characteristics contains water, an alkali metal silicate, glyoxal, optionally a Group I-III metal salt, e.g., calcium chloride, and from 0.005 to 0.10 weight/volume percent of sodium bisulfite/sodium metabisulfite, per liter of composition. This composition is easily applied at elevated temperatures, e.g., 100.degree. F. and higher.

Abstract: The free-flow characteristics and processing performance of filled, rigid powder compositions of mass-polymerized PVC resin are improved by incorporating a minor quantity of glycerin into the formulation during the blending operation, said quantity of glycerin ranging from about 0.1 part to 0.5 part per 100 parts of resin, by weight.

Abstract: An easily pumpable, liquid alkali metal silicate composition of controlled gelling characteristics comprises water, an alkali metal silicate, glyoxal optionally a Group I-III metal salt, e.g., calcium chloride and from 0.025 to 0.18 mole of hydrogen peroxide per liter of composition. This composition finds particular utility for stabilizing soil, the treated soil exhibiting enhanced load-bearing capacity.

Abstract: A dental gypsum composition having good pourable consistency and controlled mixing and setting characteristics comprising a mixture of calcium sulfate hemihydrate (calcined gypsum), a condensation product of formaldehyde with a cyclic hydrocarbon containing sulfonic acid groups, and magnesium aluminum silicate. When dispersed in water and cured, this composition provides set products having improved hardness and strength properties.

Abstract: A novel acidogen system containing an aliphatic C.sub.2-6 dione and hydrogen peroxide is used in the production of acidified dairy products, in the production of soybean curd by acidification and in a chemical leavening system for the production of raised bakery products.

Abstract: Completely free flow characteristics are provided to a densified rigid poly(vinyl chloride) resin powder composition as prepared in a high shear mixer at an elevated temperature, by withholding at least a portion of the total filler requirement from the composition during the initial mixing cycle, and thereafter adding the remainder of the filler requirement to the composition after it has been cooled to a temperature of 175.degree. F. or less. The total filler requirement of the composition may likewise be added after cooling the blend to 175.degree. F. or less. The resulting rigid resin powder composition exhibits the optimum free flow characteristics required for satisfactory processing in multi-screw extruders.

Abstract: Dairy products such as cottage cheese, bakers' cheese and cream cheese are prepared by adding an acidogen system containing an alihatic C.sub.2-8 dione and hydrogen peroxide to milk of varying butterfat and milk solids content. Acid necessary for acidification is generated by the oxidation of the dione "in situ". Curd formed by case in coagulation is then further processed to make various cheeses.

Abstract: Polymer hydrogels adapted for use as soft contact lenses are treated to provide at least on the surfaces thereof a modified, less hydrophilic polymeric structure inhibiting penetration by bacteria and proteins, whereby development of clouding and discoloration of the lens material is significantly retarded in use.

Abstract: Polymer hydrogels adapted for use as soft contact lenses are treated to provide at least on the surfaces thereof a modified, less hydrophilic polymeric structure inhibiting penetration by bacteria and proteins, whereby development of clouding and discoloration of the lens material is significantly retarded.

Abstract: A cis-2,5-dialkylpyrrolidine is produced from 2,5-dialkylpyrrole or 2,5-dialkyl-1-pyrroline by an improved hydrogenation process using a ruthenium metal catalyst on an alumina or titania support.

Abstract: Novel compounds useful for the control of pests such as fungi and bacteria have the formula ##STR1## wherein n is 0, 1 or 2; R is a C.sub.1-12 alkylene; C.sub.2- 12 alkenylene; C.sub.2- 12 alkynylene; arylene or aralkylene radical; X is hydrogen, halogen, alkoxy, acyl, acyloxy, alkylthio, alkylsulfonyl, cyano, thiocyanato, alkylsulfonyloxy or amino group; and m is 1-3, inclusive; with the proviso that when n is 0, the -CN groups are in the 1- and 3-positions and X is hydrogen, R is not a methylene radical.

Abstract: An aqueous, flowable composition containing a high concentration of a solid, essentially water-insoluble, pesticidally-active component homogeneously dispersed therein is prepared by wet-milling the active component in an aqueous matrix together with dispersants. The flowable, pesticidal composition obtained exhibits significantly improved pest control by comparison to that possessed by similar compositions containing air-milled, pesticide components of like average particle size.

Abstract: Compositions containing an .alpha.-chloroacetanilide compound of the formula ##SPC1##Wherein R.sup.1 is selected from the group consisting of primary and secondary alkyl radicals of 1-3 carbon atoms and R.sup.2 is selected from the group consisting of hydrogen and primary and secondary alkyl radicals of 2-3 carbon atoms, are useful for protecting various agronomic crops from undesirable weed infestation. Presently preferred because of their optimum selective herbicidal activity are those compounds wherein R.sup.1 of the above structure is either methyl or ethyl and R.sup.2 is ethyl.

Abstract: An economical process is described for the oxidation of allylacetone to 2,5-hexanedione in a solvent system which is a mixture of water and carbon tetrachloride and employing palladium chloride as the oxidation catalyst. High yields of product are obtained with minimal losses of the expensive palladium catalyst.