Abstract: The present invention describes the production of high molecular weight polyhydric alcohols and their derivatives. In particular the urethane reaction products of polyisocyantes and polyhydric alcohols are described.

Abstract: The present invention describes the production of high molecular weight polyhydric alcohols and their derivatives. In particular the urethane reaction products of polyisocyantes and polyhydric alcohols are described.

Abstract: There is disclosed a class of N-alkylpolyamines and their use as curing agents for epoxy resins, and in particular to such polyamines having the formula R--[NH(CH.sub.2).sub.x ].sub.y --NHR' where R is an aliphatic hydrocarbon radical having from 5 through 8 carbon atoms, R' is H, R or R", x is an integer of 2 or 3 and y is an integer of 2-4. A monoepoxide adduct of the monoalkyl substituted polyamine is also disclosed wherein R" may then become an aliphatic substituent (2-14 carbon atoms) which may contain (a) an oxygen atom, (b) a hydroxyl group or (c) an aromatic substituent such as a phenyl ring.

Abstract: The present invention describes epoxy curable polyamine resin compositions.

Abstract: The present invention relates to the conversion of 20-methylpregna-3,5,20(21)-triene-3,21-diol-diacetate to 3-oxo-20-methylpregna-4,20(21)-diene-21-yl-acetate through the use of a halogenated solvent and a halogenated acid. The benefits of the present invention include a substantial increase in the production of progesterone via ozonolysis technology.

Abstract: A blend of hydrolyzed polyacrylonitrile-starch graft copolymer and a fatty quaternary ammonium chloride which exhibits good wicking and dispersing properties.

Abstract: Film forming starch-hydrolyzed polyacrylonitrile graft copolymer and latex composition.

Abstract: A method of preparing a C.sub.21 dicarboxylic acid using crystalline clay as a catalyst.

Abstract: A large granule starch protective material for pressure sensitive microencapsulated coatings, particularly carbonless copy duplicating paper. A previously dried cereal starch selected from the group consisting of wheat, barley and rye is subjected to wet process separation to obtain a large granule starch from the starching starch, which has a characteristic particle size distribution including smaller granules ranging in size from 2 microns to about 16 microns, and a second group of larger granules, mostly ranging in size from 16 microns to about 35 microns.

Abstract: Enlarged granule starch useful as a protective stilt material in microencapsulated coatings to prevent premature rupture of the microcapsules. Starch granules are increased in size by alkali-swelling of the granules in aqueous slurry. The enlarged granules are then crosslinked to aid in preserving the enlarged granular form through subsequent aqueous coating applications and thermal drying steps. A combination of hydrocyclone starch granule sizing and granule treatment employing alkali-swelling and crosslinking substantially improves the yield of usable large granule stilt materials obtainable from prime grade wheat starch, and other bimodal granular starches such as barley and rye.

Abstract: There is disclosed a class of N-alkylpolyamines and their use as curing agents for epoxy resins, and in particular to such polyamines having the formula R--[NH(CH.sub.2).sub.x ].sub.y --NHR' where R is an aliphatic hydrocarbon radical having from 5 through 8 carbon atoms, R' is H, R or R", x is an integer of 2 or 3 and y is an integer of 2-4. A monoepoxide adduct of the monoalkyl substituted polyamine is also disclosed wherein R" may then become an aliphatic substituent (2-14 carbon atoms) which may contain (a) an oxygen atom, (b) a hydroxyl group or (c) an aromatic substituent such as a phenyl ring.

Abstract: A method of agglomerating and desolventizing starch-hydrolyzed polyacrylonitrile graft copolymer using atomized, liquid water.

Abstract: Self-complexing galactomannan gum blends which exhibit delayed gelling at acidic pH levels.

Abstract: High molecular weight radiation curable ester-diethers, ester-monoethers and their diisocyanate derivatives.

Abstract: Flash dried granules of calcium-xanthomonas gum complex.

Abstract: Hand-dispersible xanthomonas gum-glyoxal complexes.

Abstract: A blend of xanthomonas gum and water soluble hydroxyalkyl ether of locust bean gum which has unique thickening properties. The blend is particularly useful in drilling oil wells and in oil well fracturing fluids.

Abstract: Patching cracks and holes with a blend of a gypsum cement and the reaction product of a hydroxyalkyl ether of guar and glyoxal.

Abstract: Stabilizer component for ice cream, ice milk, sherbet and like products.

Abstract: Polyamides of a C.sub.19 diacid and trimethylhexamethylene diamine useful as an engineering plastic.