ROY D FOUNTAIN
Broker in Lexington, MA

License number
Massachusetts 9501387
Issued Date
Nov 10, 2006
Expiration Date
Jun 30, 2011
Type
Salesperson
Address
Address
Lexington, MA 02421

Professional information

Roy Fountain Photo 1

Compressible Printing Element Containing Thermosol Lamina

US Patent:
4388363, Jun 14, 1983
Filed:
Aug 5, 1980
Appl. No.:
6/175465
Inventors:
Roy D. Fountain - Lexington MA
Assignee:
W. R. Grace & Co. - Cambridge MA
International Classification:
B32B 518, B32B 300, B41N 112
US Classification:
428215
Abstract:
A compressible printing element that has a thermosol lamina. A thermosol is a thermosetting plastisol, preferably a polyvinyl chloride plastisol containing dioctyl phthalate as a plasticizer and having a di- or tri-acrylate monomer that crosslinks therewith to form a thermoset material preferably in the presence of a peroxide free-radical initiator activated by heat. A phenolic resin is preferably included in the thermosol. The thermosol lamina is resilient and adhered to a compressible lamina, preferably one that is highly porous.


Roy Fountain Photo 2

Compressible Printing Plate

US Patent:
4582777, Apr 15, 1986
Filed:
May 18, 1983
Appl. No.:
6/495862
Inventors:
Kenneth V. Fischer - Billerica MA
Roy D. Fountain - Lexington MA
Larry E. Erwin - Bolton MA
Thomas O. Gavin - Harvard MA
Assignee:
W. R. Grace & Co. - Cambridge MA
International Classification:
G03C 176
US Classification:
430271
Abstract:
An improved compressible printing plate in which a liquid photocurable material is bonded directly to a compressible material during exposure to ultraviolet radiation. The compressible printing plate is free of any dimensionally stable material between the liquid photocurable material and the compressible material.