Geoffrey Hallas - Concepedia

Author

Geoffrey Hallas

University of Leeds

Also Known As

G HALLAS, G Hallas, G. HALLAS, G. Hallas, GEOFFREY HALLAS, Geoffrey HALLAS, Geoffrey Hallas

148

Publications

2.6K

Citations

H-Index

Concepts

All Affiliations

University of Leeds LG Chem (South Korea)

About

Geoffrey Hallas is an author at University of Leeds specializing in chemistry, organic chemistry, and engineering.

Top Concepts

#	Concept	H-Index	Publications	Citations
1	Engineering	18	36	912
2	Natural Sciences	11	13	292
3	Humanities	1	1	40
4	Medicine	1	2	28
5	Athletic Training	1	2	28

Geoffrey Hallas

Publications

Citations

H-Index

Page 1

	Year	Citations
Stereoelectronic effects in organic chemistry Geoffrey Hallas Endeavour Organic Charge-transfer CompoundOrganic ChemistryStereoelectronic EffectsStereoselective SynthesisChemistry	1984	968
The Effects of Terminal Groups in 4–Aminoazobenzene and Disperse Dyes Related Thereto Geoffrey Hallas Journal of the Society of Dyers and Colourists Chemical EngineeringEngineeringBiochemistryNatural SciencesDisperse Dyes	1979	97
Synthesis and spectral properties of azo dyes derived from 2-aminothiophenes and 2-aminothiazoles Geoffrey Hallas Dyes and Pigments Chemical EngineeringEngineeringPhotochemistrySpectral PropertiesOrganic Chemistry	1999	91
Synthesis and properties of novel aziridinyl azo dyes from 2-aminothiophenes—Part 2: Application of some disperse dyes to polyester fibres Geoffrey Hallas, Jae‐Hong Choi Dyes and Pigments Textile ProcessingChemical EngineeringEngineeringDisperse DyesOrganic Chemistry	1999	76
Infrared camouflage S.M. Burkinshaw, Geoffrey Hallas, Andrew Towns Review of Progress in Coloration and Related Topics	1996	58
249. Steric effects in di- and tri-arylmethanes. Part III. Electronic absorption spectra of derivatives of Malachite Green containing substituents in the phenyl ring C. C. Barker, M. H. Bride, Geoffrey Hallas, Journal of the Chemical Society (Resumed) Chemical EngineeringHumanitiesDerivativesEngineeringPart Iii	1961	40
Dyes derived from aminothiophenes. Part 4: Synthesis of some nitro-substituted thiophene-based azo disperse dyes Geoffrey Hallas, Andrew Towns Dyes and Pigments Chemical EngineeringEngineeringPhotochemistryOrganic ChemistryChemistry	1997	40
Synthesis and properties of novel aziridinyl azo dyes from 2-aminothiophenes—Part 1: Synthesis and spectral properties Geoffrey Hallas, Jae‐Hong Choi Dyes and Pigments Chemical EngineeringEngineeringPhotochemistrySpectral Properties2-Aminothiophenes—part 1	1999	37
Dyes derived from aminothiophenes. Part 1: Synthesis of some heterocyclic disperse dyes using the gewald reaction Geoffrey Hallas, Andrew Towns Dyes and Pigments Heterocyclic Disperse DyesEngineeringHeterocyclicOrganic ChemistryChemistry	1996	33
Dyes derived from aminothiophenes. Part 7: Synthesis and properties of some benzo[b]thiophene-based azo disperse dyes Geoffrey Hallas Dyes and Pigments Organic Material ChemistryChemical EngineeringEngineeringPhotochemistryOrganic Chemistry	1997	31

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