DE1138616B
(de)
*
|
1958-08-08 |
1962-10-25 |
Logetronics Inc |
Photographisches Kopiergeraet unter Verwendung phototroper Stoffe
|
GB891992A
(en)
*
|
1958-08-08 |
1962-03-21 |
Logetronics Inc |
Improvements relating to photographic methods and apparatus
|
US3092553A
(en)
*
|
1959-01-30 |
1963-06-04 |
Jr Carl E Fisher |
Pharmaceutical preparations and method and apparatus for making same
|
NL250081A
(de)
*
|
1959-04-03 |
|
|
|
GB969754A
(en)
*
|
1959-07-14 |
1964-09-16 |
Ncr Co |
Transparent optical viewing device
|
NL253898A
(de)
*
|
1959-07-16 |
|
|
|
US3436353A
(en)
*
|
1959-10-22 |
1969-04-01 |
Polacoat Inc |
Phototropic compositions
|
US3116148A
(en)
*
|
1959-12-21 |
1963-12-31 |
Ncr Co |
Photo-chemical printing process and sheet material
|
US3134674A
(en)
*
|
1960-01-27 |
1964-05-26 |
Ncr Co |
Data display system
|
US3115506A
(en)
*
|
1960-03-28 |
1963-12-24 |
Du Pont |
Derivatives of 1, 4-bismethylene cyclohexane and 1, 4-bismethylene cyclohexadiene and processes of preparation
|
NL268635A
(de)
*
|
1960-08-26 |
1900-01-01 |
|
|
US3316119A
(en)
*
|
1960-09-29 |
1967-04-25 |
Litton Systems Inc |
Recording member for visibly recording radio frequency microwaves
|
NL256778A
(de)
*
|
1960-12-27 |
1964-04-10 |
|
|
US3401123A
(en)
*
|
1961-03-15 |
1968-09-10 |
Ncr Co |
Process for making case-hardened capsules and its capsule product
|
NL277911A
(de)
*
|
1961-05-04 |
|
|
|
US3185026A
(en)
*
|
1961-05-22 |
1965-05-25 |
Ncr Co |
Method and apparatus employing metachromatic material for forming a plurality of individual micro-images
|
US3194963A
(en)
*
|
1961-07-17 |
1965-07-13 |
Sundstrand Corp |
Light intensity measuring device and method using 2-(2', 4'-dinitrobenzyl)-pyridine
|
NL283350A
(de)
*
|
1961-10-05 |
|
|
|
US3279095A
(en)
*
|
1961-10-24 |
1966-10-18 |
Ncr Co |
Information encoding and decoding method
|
BE638254A
(de)
*
|
1962-10-05 |
|
|
|
US3219993A
(en)
*
|
1962-10-24 |
1965-11-23 |
Xerox Corp |
Image formation and display utilizing a thermotropically color reversible material
|
US3212898A
(en)
*
|
1962-11-21 |
1965-10-19 |
American Cyanamid Co |
Photosensitive compositions of matter comprising photochromic materials suspended in polyester binders
|
US3160504A
(en)
*
|
1963-01-17 |
1964-12-08 |
Sperry Rand Corp |
Automatic dodging of photographs
|
US3291604A
(en)
*
|
1963-02-01 |
1966-12-13 |
Eastman Kodak Co |
Process for creating and subsequently transferring an ionic photochromic image
|
FR1379625A
(fr)
*
|
1963-03-26 |
1964-11-27 |
Saint Gobain |
Procédé et dispositifs pour observer ou projeter des images positives à partir d'un négatif
|
US3329502A
(en)
*
|
1963-10-01 |
1967-07-04 |
American Cyanamid Co |
Epoxide compounds and photochromic compositions containing the same
|
US3340631A
(en)
*
|
1964-03-16 |
1967-09-12 |
Ncr Co |
Display devices
|
US3290331A
(en)
*
|
1964-03-30 |
1966-12-06 |
Ncr Co |
6'no2, 7'-methoxy indolino-benzospiropyrans
|
US3322678A
(en)
*
|
1964-06-17 |
1967-05-30 |
American Cyanamid Co |
Variable transmission compositions
|
US3443948A
(en)
*
|
1965-07-12 |
1969-05-13 |
Minnesota Mining & Mfg |
Photosensitive silver halide microcapsules
|
US3422759A
(en)
*
|
1966-06-02 |
1969-01-21 |
Xerox Corp |
Lithographic imaging system using photochromic and thermochromic materials
|
US3501410A
(en)
*
|
1966-07-06 |
1970-03-17 |
Eastman Kodak Co |
Benzopyrylospiran photochrome containing an electron acceptor
|
US3487377A
(en)
*
|
1966-07-21 |
1969-12-30 |
Joseph Rennert |
Data storage system with organic memory
|
US3515568A
(en)
*
|
1967-07-03 |
1970-06-02 |
Eastman Kodak Co |
Processing of erasing from a thermographic element
|
US3521060A
(en)
*
|
1967-08-24 |
1970-07-21 |
Xerox Corp |
Method for detecting the misrouting of transparencies during the process of imaging thereon
|
US3683337A
(en)
*
|
1969-11-24 |
1972-08-08 |
Texas Instruments Inc |
Information storage by changing the valence state of a semi-conductor crystal
|
US5099270A
(en)
*
|
1973-03-09 |
1992-03-24 |
Thomas W. Secrest |
Storage apparatus comprising a plurality of layers
|
US4845529A
(en)
*
|
1987-12-18 |
1989-07-04 |
Thomas W. Secrest |
Storage apparatus comprising a plurality of layers
|
US5239338A
(en)
*
|
1973-09-24 |
1993-08-24 |
Pearson Robert E |
Storage apparatus comprising a plurality of layers
|
US4440846A
(en)
*
|
1981-11-12 |
1984-04-03 |
Mead Corporation |
Photocopy sheet employing encapsulated radiation sensitive composition and imaging process
|
US4399209A
(en)
*
|
1981-11-12 |
1983-08-16 |
The Mead Corporation |
Transfer imaging system
|
US4822714A
(en)
*
|
1981-11-12 |
1989-04-18 |
The Mead Corporation |
Transfer imaging system
|
US4956300A
(en)
*
|
1982-01-05 |
1990-09-11 |
Helena Laboratories Corporation |
Aid for determining the presence of occult blood, method of making the aid, and method of using the aid
|
US4842976A
(en)
*
|
1982-01-18 |
1989-06-27 |
Mead Corp. |
Color image-forming process
|
US4416966A
(en)
*
|
1982-08-25 |
1983-11-22 |
The Mead Corporation |
Capsular imaging system comprising decolorizing agent
|
US4562137A
(en)
*
|
1982-12-30 |
1985-12-31 |
The Mead Corporation |
Photosensitive material employing encapsulated radiation sensitive composition
|
US4482624A
(en)
*
|
1983-02-15 |
1984-11-13 |
The Mead Corporation |
Photosensitive material employing encapsulated radiation sensitive composition and process for improving sensitivity by sequestering oxygen
|
US4508807A
(en)
*
|
1983-07-11 |
1985-04-02 |
Mead Corporation |
Photosensitive material employing encapsulated radiation sensitive composition and a transparentizable image-receiving layer
|
US4535050A
(en)
*
|
1983-07-18 |
1985-08-13 |
The Mead Corporation |
Peeling development of photosensitive materials employing microencapsulated radiation sensitive compositions
|
US4903991A
(en)
*
|
1983-07-18 |
1990-02-27 |
The Mead Corporation |
Document security system
|
US5702913A
(en)
*
|
1983-12-21 |
1997-12-30 |
Helena Laboratories Corporation |
Chromgen-reagent test system
|
US5273888A
(en)
*
|
1984-01-16 |
1993-12-28 |
Helena Laboratories Corporation |
Chemical test kit and method for determining the presence of blood in a specimen and for verifying the effectiveness of the chemicals
|
GB8432563D0
(en)
*
|
1984-12-21 |
1985-02-06 |
Banks P J |
Apparatus for handling information
|
US4737427A
(en)
*
|
1985-03-06 |
1988-04-12 |
Matsushita Electric Industrial Co., Ltd. |
Optical high density recording mediums, method for making same and method for recording optical information in the medium
|
US5081040A
(en)
*
|
1987-06-29 |
1992-01-14 |
Helena Laboratories Corporation |
Composition and kit for testing for occult blood in human and animal excretions, fluids, or tissue matrixes
|
US4918317A
(en)
*
|
1987-07-02 |
1990-04-17 |
The Mead Corporation |
Radiation dosimeter
|
US5109287A
(en)
*
|
1987-10-06 |
1992-04-28 |
The General Electric Company, P.L.C. |
Information storage system
|
US5196167A
(en)
*
|
1989-04-04 |
1993-03-23 |
Helena Laboratories Corporation |
Fecal occult blood test product with positive and negative controls
|
US5217874A
(en)
*
|
1989-04-04 |
1993-06-08 |
Helena Laboratories Corporation |
Fecal occult blood test product with positive and negative controls
|
JPH04153079A
(ja)
*
|
1990-10-18 |
1992-05-26 |
Digital Sutoriimu:Kk |
消去、書き換え可能な用紙、印字用インク、並びにこれらを用いた印字装置及び消去装置
|
US5302259A
(en)
*
|
1991-04-30 |
1994-04-12 |
Reginald Birngruber |
Method and apparatus for altering the properties in light absorbing material
|
IT1248358B
(it)
*
|
1991-06-28 |
1995-01-05 |
Ital Idee Srl |
Supporto di informazione di sicurezza, in particolare per informazioni grafiche
|
US20090080955A1
(en)
*
|
2007-09-26 |
2009-03-26 |
Xerox Corporation |
Content-changing document and method of producing same
|
US11007813B2
(en)
|
2018-04-25 |
2021-05-18 |
Crayola Llc |
Integrated highlighting and shading marker system
|