Inventor
William C. Schwarzel
Inventor
Billerica, MA, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices17%
G03CPhotosensitive materials for photographic purposes14%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds11%
B41MPrinting, duplicating, marking, or copying processes9%
B41CProcesses for the manufacture or reproduction of printing surfaces6%
C07DHeterocyclic compounds6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
C09JAdhesives6%
Y02PClimate change mitigation technologies in the production or processing of goods6%
PatentTitleYear
6,258,505'Heat and radiation-sensitive imaging medium, and processes for use thereof'20016,054,246'Heat and radiation-sensitive imaging medium, and processes for use thereof'20005,853,958'Lithographic plate with disperse particulate rubber additive'19985,616,449'Lithographic printing plates with dispersed rubber additives'19975,599,650'Photoreaction quenchers in on-press developable lithographic printing plates'19975,561,029'Low-volatility, substituted 2-phenyl-4,6-bis (halomethyl)-1,3,5-triazine for lithographic printing plates'19965,556,924'Synthesis of photoreactive polymeric binders'19965,514,522'Synthesis of photoreactive polymeric binders'19965,206,208'Stabilization of thermal images'19934,946,964'Photographic compounds'19904,743,533'Photographic system utilizing a compound capable of providing controlled release of photographically useful group'19884,547,451'Hydrolyzable diffusion control layers in photographic products'19854,391,895'Diffusion control layers for diffusion transfer photographic film'19834,352,871'Polymeric hydroxamic acid polyvalent metal salt interlayer for photographic diffusion transfer products'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–2001Patents assigned to POLAROID CORP (13)· patent assignee history
1982–2001Based in Billerica, MA, US· patent location history
1985Patents 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 | 13 | 1982–2001 |
| POLAROID CORP PATENT DEPT | 1 | 1985 |
Locations
| Location | Patents | Span |
|---|---|---|
| Billerica, Massachusetts, US | 14 | 1982–2001 |