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chemistry (105) 105
metallurgy (104) 104
inorganic chemistry (59) 59
compounds thereof (40) 40
non-metallic elements (40) 40
general tagging of cross-sectional technologies spanning over several sections of the ipc (37) 37
general tagging of new technological developments (37) 37
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (37) 37
technical subjects covered by former uspc (27) 27
ferrous or non-ferrous alloys (24) 24
treatment of alloys or non-ferrous metals (24) 24
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adhesives (18) 18
dyes (18) 18
miscellaneous applications of materials (18) 18
miscellaneous compositions (18) 18
natural resins (18) 18
paints (18) 18
polishes (18) 18
performing operations (17) 17
transporting (17) 17
compositions based thereon (16) 16
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technical subjects covered by former uspc cross-reference artcollections [xracs] and digests (14) 14
alloys (13) 13
compounds containing metals not covered by subclassesc01d or c01f (13) 13
indexing scheme relating to structural and physical aspects ofsolid inorganic compounds (12) 12
paper (12) 12
textiles (12) 12
artificial stone (11) 11
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chemical surface treatment (11) 11
climate change mitigation technologies in the production orprocessing of goods (11) 11
coating by vacuum evaporation, by sputtering, by ion implantationor by chemical vapour deposition, in general (11) 11
coating material with metallic material (11) 11
coating metallic material (11) 11
compositions thereof, e.g. mortars, concrete or like buildingmaterials (11) 11
concrete (11) 11
diffusion treatment of metallic material (11) 11
inhibiting corrosion of metallic material or incrustation ingeneral (11) 11
lime, magnesia (11) 11
pretreatment of raw materials (11) 11
production and refining of metals (11) 11
refractories (11) 11
slag (11) 11
technologies or applications for mitigation or adaptation againstclimate change (11) 11
treatment of natural stone (11) 11
multi-step processes for surface treatment of metallicmaterial involving at least one process provided for in classc23 and at least oneprocess covered by subclass c21d or c22f or class c25 (10) 10
non-mechanical removal of metallic material from surface (10) 10
organic chemistry (10) 10
chemical paint or ink removers (9) 9
coating compositions, e.g. paints, varnishes orlacquers (9) 9
correcting fluids (9) 9
filling pastes (9) 9
inks (9) 9
pastes or solids for colouring or printing (9) 9
use of materials therefor (9) 9
woodstains (9) 9
acyclic, carbocyclic or heterocyclic compounds containingelements other than carbon, hydrogen, halogen, oxygen, nitrogen,sulfur, selenium or tellurium (7) 7
manufacture or treatment of nanostructures (7) 7
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nanotechnology (7) 7
physical or chemical processes or apparatus in general (7) 7
preparation of carbon black (7) 7
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treatment of inorganic materials, other than fibrous fillers,to enhance their pigmenting or filling properties (7) 7
use of inorganic or non-macromolecular organic substances ascompounding ingredients (7) 7
chemical composition of glasses, glazes, or vitreousenamels (6) 6
compounds of alkali metals, i.e. lithium, sodium, potassium,rubidium, caesium, or francium (6) 6
flexible materials not otherwise provided for (6) 6
glass (6) 6
impregnating or coating of paper (6) 6
joining glass to glass or other materials (6) 6
laundering (6) 6
mineral or slag wool (6) 6
paper not otherwise provided for (6) 6
paper-making (6) 6
preparation thereof not covered by subclasses d21c or d21d (6) 6
production of cellulose (6) 6
pulp compositions (6) 6
surface treatment of fibres or filaments made from glass,minerals or slags (6) 6
surface treatment of glass (6) 6
treatment of finished paper not covered by class b31 or subclass d21g (6) 6
treatment of textiles or the like (6) 6
chemical or physical processes, e.g. catalysis or colloidchemistry (5) 5
fuels (5) 5
lubricants (5) 5
peat (5) 5
petroleum, gas or coke industries (5) 5
technical gases containing carbon monoxide (5) 5
their relevant apparatus (5) 5
treatment, not provided for elsewhere in class d06, of fibres, threads, yarns,fabrics, feathers, or fibrous goods made from such materials (5) 5
after-treatment not covered by subclasses c08b, c08c, c08f,c08g (4) 4
apparatus therefor (4) 4
colloids (4) 4
general processes of compounding (4) 4
indexing scheme associated with subclass c10m relating to lubricatingcompositions (4) 4
lubricating compositions (4) 4
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1955, The George Fisher Baker non-resident lectureship in chemistry at Cornell University, 1954, xii, 324 p. illus.
Book
Journal of Colloid And Interface Science, ISSN 0021-9797, 1980, Volume 75, Issue 1, pp. 138 - 148
The polymerization of silicic acid through the stages of oligomers, nucleation, and growth of silica particles was investigated in 0.1 M silica solution at pH... 
Journal Article
Journal of Colloid And Interface Science, ISSN 0021-9797, 1975, Volume 53, Issue 3, pp. 476 - 488
It is found that the critical concentration of calcium ion in solution required to coagulate colloidal silica, increases with decreasing particle size. The... 
Journal Article
Journal of Chromatography A, ISSN 0021-9673, 1981, Volume 209, Issue 2, pp. 341 - 342
Journal Article
Journal of Chromatography A, ISSN 0021-9673, 05/1975, Volume 108, Issue 2, pp. 420 - 424
Journal Article
Journal of Colloid And Interface Science, ISSN 0021-9797, 1975, Volume 51, Issue 3, pp. 388 - 393
When certain ratios of colloidal silica and polyvinyl alcohol are present in aqueous solution at pH 2 to 3, coacervation occurs with the separation of an... 
Journal Article
Journal of the American Chemical Society, ISSN 0002-7863, 06/1952, Volume 74, Issue 11, pp. 2929 - 2930
Journal Article
12/1979, ISBN 047102404X
Those who have relied on Iler's earlier book, The Chemistry of Silica and Silicates, will welcome this new version which is almost a new work, including much... 
Book Chapter
Soil Science, ISSN 0038-075X, 07/1955, Volume 80, Issue 1, p. 86
Journal Article
07/1976
Aqueous silica sols having a pH from 8 to 11 containing 1 to 40% by weight of colloidal silica and soluble salts can be purified and concentrated by filtering... 
NON-METALLIC ELEMENTS | COMPOUNDS THEREOF | METALLURGY | CHEMISTRY | INORGANIC CHEMISTRY
Patent
06/1972
Silica sol is made by electrodialysis of a solelectrolyte containing an aqueous silica sol, aqueous sodium or potassium silicate, and a supplementary... 
TRANSPORTING | NON-METALLIC ELEMENTS | COMPOUNDS THEREOF | METALLURGY | CHEMISTRY | SEPARATION | INORGANIC CHEMISTRY | PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL | PERFORMING OPERATIONS
Patent
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