| Patent Number |
Title Of Patent |
Date Issued |
| 5055372 |
Photohardenable composition containing borate salts and ketone initiators |
October 8, 1991 |
| A photohardenable composition comprising a free radical addition polymerizable or crosslinkable compound and an aromatic ketone and a borate salt; and photosensitive materials employing the composition where in one embodiment the composition is microencapsulated. |
| 5035621 |
Method of dental treatment |
July 30, 1991 |
| A photohardenable composition comprising a free radical addition polymerizable or crosslinkable compound and an ionic dye-counter ion compound, said compound being capable of absorbing actinic radiation and producing free radicals which initiate free radical polymerization or crossli |
| 5034302 |
Developer sheet for forming high density images |
July 23, 1991 |
| A developer sheet useful in forming images having a high density comprising a support having front and back surfaces; anda developer layer coated from a solution on said front surface, said developer layer comprising a particulate reactive material being capable of reacting with a substa |
| 5008237 |
Vinyl developer resins |
April 16, 1991 |
| A developer sheet comprising a support having a layer of a color developer on the surface thereof, said color developer being capable of reacting with a substantially colorless electron donating color former to produce a color image and being an acrylic or methacrylic polymer having pend |
| 4977511 |
Photosensitive materials containing ionic dye compound as initiators |
December 11, 1990 |
| A process for making three dimensional models is disclosed which is characterized in that a photohardenable composition is used which comprises a free radical addition polymerizable or crosslinkable compound and an ionic dye-counter ion compound, said compound being capable of absorb |
| 4956309 |
Microroughened developer sheet for forming high density images |
September 11, 1990 |
| A receiver sheet for producing high density images, preferably in a photosensitive imaging system is disclosed. The receiver sheet is characterized by containing a particulate developer material which does not substantially compress upon the application of pressure. The resistance to |
| 4954414 |
Photosensitive composition containing a transition metal coordination complex cation and a borat |
September 4, 1990 |
| A composition including a cationic transition metal coordination complex and a borate anion, wherein said composition is capable of absorbing actinic radiation and producing free radicals which can initiate free radical addition polymerization of a free radical addition polymerizable |
| 4940645 |
Imaging material employing photosensitive microcapsules containing tertiary amines as coinitiato |
July 10, 1990 |
| Imaging materials employing photosensitive microcapsules having improved film speed are disclosed wherein the microcapsules contain a photoinitiator system including an absorber, a coinitiator and an autoxidizer; the absorber is a compound such as an aromatic ketone, the coinitiator |
| 4937159 |
Photosensitive materials and compositions containing ionic dye compounds as initiators and thiol |
June 26, 1990 |
| A photohardenable composition comprising a free radical addition polymerizable or crosslinkable compound and an ionic dye-counter ion compound, said compound being capable of absorbing actinic radiation and producing free radicals which initiate free radical polymerization or crossli |
| 4921832 |
Developer compositions having reduced yellowing |
May 1, 1990 |
| The present invention provides a developer sheet useful in forming reproductions having a controllable gloss finish and reduced photolytic yellowing. The developer sheet comprises a support having a layer of a finely divided, thermoplastic, phenolic developer material and an anti-yel |
| 4910118 |
Method and photosensitive material for forming metal patterns employing microcapsules |
March 20, 1990 |
| Processes for forming metal patterns such as electric circuits and photosensitive materials useful therein are disclosed wherein a layer of photosensitive microcapsules is used to form a pattern of an adhesive, a metallic pigment, a metal salt or a reducing agent by exposing the layer |
| 4882259 |
Photosensitive imaging material employing photosensitive microcapsules containing a solid diluen |
November 21, 1989 |
| An imaging material of the type in which a radiation sensitive composition is encapsulated in a plurality of microcapsules and exposure controls the release of the internal phase from the microcapsules wherein the internal phase of the microcapsules includes a solid diluent. |
| 4877767 |
Vinyl developer resins |
October 31, 1989 |
| A developer sheet comprising a support having a layer of a color developer on the surface thereof, said color developer being capable of reacting with a substantially colorless electron donating color former to produce a color image and being an acrylic or methacrylic polymer having pend |
| 4874685 |
Photocurable composition containing a photoreducible dye a thiol and an N,N'-dialkylaniline |
October 17, 1989 |
| The present invention provide a dye-sensitized photopolymerizable composition comprising a free radical addition polymerizable material, and a photoinitiator, the photoinitiator consisting essentially of a photoreducible dye, a thiol, and an N,N'-dialkylaniline. |
| 4859561 |
Developer sheet useful in providing transparencies or reproductions having a controlled gloss fi |
August 22, 1989 |
| A developer sheet useful in forming reproductions which have a controllable gloss finish or in forming transparencies comprising a support having a layer of a finely divided, thermoplastic, developer material on the surface thereof, said developer material being capable of reacting with |
| 4816371 |
Negative-working imaging method employing encapsulated photohardenable compositions |
March 28, 1989 |
| A method for forming images which comprises image-wise exposing a photosensitive material to heat while simultaneously exposing said material to non-infrared actinic radiation, said material including a support and a layer of microcapsules containing an image-forming agent and a radi |
| 4801392 |
Magnetic recording compositions containing ionic dye compounds as initiators |
January 31, 1989 |
| The present invention provides magnetic recording compositions containing magnetic particles and a photohardenable composition wherein the photohardenable composition contains a free radical addition polymerizable or crosslinkable compound and an ionic dye-reactive counter ion compound. |
| 4788126 |
Radiation dosimeter and method for measuring radiation dosage |
November 29, 1988 |
| A radiation dosimeter comprising a support having a layer of microcapsules on the surface thereof, said microcapsules containing an image-forming agent and radiation curable composition, said composition being essentially insensitive to visible light and ultraviolet radiation and bei |
| 4777108 |
Transfer imaging system |
October 11, 1988 |
| The present invention provides a transfer imaging sheet wherein an image is invisible in visible light but apparent under ultraviolet or infrared radiation. The transfer imaging sheet comprises an imaging sheet having a coating on one surface thereof of an image forming agent selected fr |
| 4772532 |
Glossable developer sheet with reduced tack |
September 20, 1988 |
| A developer sheet having reduced tack useful in forming reproductions having a controllable gloss finish or in forming transparencies is provided. The developer sheet has a support with a layer on the surface of the support of a finely divided thermoplastic developer material and a n |
| 4751102 |
Radiation-curable ink and coating compositions containing ionic dye compounds as initiators |
June 14, 1988 |
| The present invention provides radiation-curable ink compositions comprising pigment and a photohardenable composition; the photohardenable composition comprises a free radical addition polymerizable or crosslinkable compound and an ionic dye-reactive counter ion compound which is ca |
| 4687725 |
Method for forming relief images and photosensitive material useful therein |
August 18, 1987 |
| Methods for forming relief images are disclosed employing photosensitive microcapsules; typically, the internal phase of the microcapsules includes a photohardenable composition such as an ethylenically unsaturated compound and a photoinitiator; release of the composition is controlled b |
