Inventor
Jurgen M. Grasshoff
Inventor
Hudson, MA, US
Overview
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Cprimary
G03CPhotosensitive materials for photographic purposes32%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices21%
B41MPrinting, duplicating, marking, or copying processes16%
C07CAcyclic or carbocyclic compounds13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
C07DHeterocyclic compounds5%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
PatentTitleYear
6,307,085'Process and composition for generation of acid'20016,242,154'Process and composition for generation of acid'20016,110,638'Process and composition for generation of acid'20005,914,213'Process and composition for generation of acid'19995,708,106'Copolymers having pendant functional thymine groups'19985,667,943'Process for thermochemical generation of acid and for thermal imaging, and imaging medium for use therein'19975,616,451'Method of imaging using a polymeric photoresist having pendant vinylbenzyl thymine groups'19975,578,424'Process for generation of unbuffered super-acid and for imaging'19965,534,393'Process for thermochemical generation of acid and for thermal imaging'19965,534,388'Process for generation of acid and for imaging, and imaging medium for use therein'19965,455,349'Vinylbenzyl thymine monomers'19955,453,345'Imaging medium'19955,445,917'Imaging medium'19955,401,619'Process for thermochemical generation of acid and for thermal imaging, and imaging medium for use therein'19955,395,736'Process for generation of acid and for imaging, and imaging medium for use therein'19955,395,731'Copolymeric mordants and photographic products and processes containing same'19955,334,489'Process for generation of squaric acid and for imaging, and imaging medium for use therein'19945,278,031'Process for thermochemical generation of squaric acid and for thermal imaging, and imaging medium for use therein'19944,794,067'Copolymeric mordants and photographic products and processes containing same'19884,134,768'Photographic uses of polyvinyl-phenylmercapto-tetrazoles'19794,021,417'Polymerization of sulfur containing compounds in aqueous media utilizing a tetra-alkylated azo-bis-acetonitrile'19773,993,661'Quinone methide photograhpic reagent precursors'19763,984,472'Preparation of N,N-dialkyl p-vinyl anilines'19763,936,401'Novel polymeric derivatives of tetrazole-5-thiols and their metal and ammonium salts'19763,932,480'Benzylthiosulfuric acid salts'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–2001Patents assigned to POLAROID CORP (24)· patent assignee history
1976–2001Based in Hudson, MA, US· patent location history
1988Patents assigned to POLAROID CORP PATENT DEPT (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| POLAROID CORP | 24 | 1976–2001 |
| POLAROID CORP PATENT DEPT | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hudson, Massachusetts, US | 25 | 1976–2001 |