Inventor · disambiguated record
Leo Roos
Also filed as: ROOS LEO
15 granted patents·339 citations·filing 1972–1991
94Inventor score
Top patents by PatentIndex Score
15 records- 0191US4126466AComposite, mask-forming, photohardenable elementsDU PONT·Filed 1976·Granted Nov 21, 1978·48 cites·7 claims
- 0290US4273857APolymeric binders for aqueous processable photopolymer compositionsDU PONT·Filed 1979·Granted Jun 16, 1981·45 cites·10 claims
- 0377US4268610APhotoresist formulationsHERCULES INC·Filed 1979·Granted May 19, 1981·32 cites·12 claims
- 0475US5112428AWet lamination process and apparatusMORTON INT INC·Filed 1990·Granted May 12, 1992·18 cites·7 claims
- 0569US4992354ADry film photoresist for forming a conformable mask and method of application to a printed circuit board or the likeMORTON INT INC·Filed 1988·Granted Feb 12, 1991·32 cites·13 claims
- 0664US4353978APolymeric binders for aqueous processable photopolymer compositionsDU PONT·Filed 1981·Granted Oct 12, 1982·18 cites·9 claims
- 0762US4894314APhotoinitiator composition containing bis ketocoumarin dialkylamino benzoate, camphorquinone and/or a triphenylimidazolyl dimerTHIOKOL MORTON INC·Filed 1988·Granted Jan 16, 1990·21 cites·35 claims
- 0858US4889790AMethod of forming a conformable mask on a printed circuit boardTHIOKOL MORTON INC·Filed 1988·Granted Dec 26, 1989·21 cites·16 claims
- 0955US5164284AMethod of application of a conforming mask to a printed circuit boardMORTON INT INC·Filed 1991·Granted Nov 17, 1992·23 cites·9 claims
- 1053US5102491AWet lamination process and apparatusMORTON INT INC·Filed 1989·Granted Apr 7, 1992·20 cites·16 claims
- 1151US5213945ADry film photoresist for forming a conformable mask and method of application to a printed circuit board or the likeMORTON INT INC·Filed 1991·Granted May 25, 1993·18 cites·12 claims
- 1251US4297435AContrast colorant for photopolymerizable compositionsHERCULES INC·Filed 1980·Granted Oct 27, 1981·15 cites·11 claims
- 1343US4943513APhotoimageable composition with reduced cold flow due to salt-bridging by metal ions and dry film formed therefromTHIOKOL MORTON INC·Filed 1988·Granted Jul 24, 1990·9 cites·13 claims
- 1442US4019909APhotohardenable vesicular image-forming elementsDU PONT·Filed 1972·Granted Apr 26, 1977·6 cites·9 claims
- 1541US4976817AWet lamination process and apparatusMORTON INT INC·Filed 1988·Granted Dec 11, 1990·13 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →