Inventor · disambiguated record
J. Michael Grasshoff
Also filed as: GRASSHOFF J MICHAEL
11 granted patents·76 citations·filing 1974–1996
89Inventor score
Top patents by PatentIndex Score
11 records- 0176US5455349AVinylbenzyl thymine monomersPOLAROID CORP·Filed 1994·Granted Oct 3, 1995·21 cites·5 claims
- 0266US3932480ABenzylthiosulfuric acid saltsPOLAROID CORP·Filed 1974·Granted Jan 13, 1976·13 cites·4 claims
- 0358US3993661AQuinone methide photograhpic reagent precursorsPOLAROID CORP·Filed 1974·Granted Nov 23, 1976·10 cites·9 claims
- 0457US5395731ACopolymeric mordants and photographic products and processes containing samePOLAROID CORP·Filed 1994·Granted Mar 7, 1995·4 cites·20 claims
- 0548US4794067ACopolymeric mordants and photographic products and processes containing samePOLAROID CORP PATENT DEPT·Filed 1987·Granted Dec 27, 1988·12 cites·24 claims
- 0644US3936401ANovel polymeric derivatives of tetrazole-5-thiols and their metal and ammonium saltsPOLAROID CORP·Filed 1974·Granted Feb 3, 1976·5 cites·17 claims
- 0741US5708106ACopolymers having pendant functional thymine groupsPOLAROID CORP·Filed 1996·Granted Jan 13, 1998·5 cites·13 claims
- 0841US5616451AMethod of imaging using a polymeric photoresist having pendant vinylbenzyl thymine groupsPOLAROID CORP·Filed 1995·Granted Apr 1, 1997·5 cites·9 claims
- 0932US4134768APhotographic uses of polyvinyl-phenylmercapto-tetrazolesPOLAROID CORP·Filed 1977·Granted Jan 16, 1979·1 cites·47 claims
- 1030US3984472APreparation of N,N-dialkyl p-vinyl anilinesPOLAROID CORP·Filed 1974·Granted Oct 5, 1976·0 cites·5 claims
- 1128US4021417APolymerization of sulfur containing compounds in aqueous media utilizing a tetra-alkylated azo-bis-acetonitrilePOLAROID CORP·Filed 1975·Granted May 3, 1977·0 cites·6 claims
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