La Cellophane
22Patents
0Active
22Granted
33Portfolio score
Filing activity: Mar 2, 1973 → Nov 18, 1982
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3983285A | Composite polyester films and process for producing the same | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4237207A | Photochromic composition containing indoline spirobenzopyran and copolymer of PVC and imaged product thereof | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4252601A | Writing liquid for use with an opaque recording material for forming transparencies for overhead projection and the like | Performing Operations; Transporting | 12 | Expired |
| US4276340A | Cellulose packaging films for packaging soft cheeses | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4054684A | Composition for forming colored images, new recording material and process using same | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4171980A | Photosensitive compositions and recording materials and processes utilizing same | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4238533A | Coating process and apparatus | Performing Operations; Transporting | 9 | Expired |
| US4439512A | Chromogenic compositions containing stabilized phenolic coupler compounds, recording materials and processes utilizing same | Emerging Cross-Sectional Technologies | 8 | Expired |
| US3957515A | Photographic process for producing colored polymerized images | Physics | 8 | Expired |
| US3943418A | Corona charging device | Physics | 7 | Expired |
| US3964911A | Photographic reproduction processes using diazonium salts and substituted spiro[benzopyrane] | Physics | 7 | Expired |
| US4244894A | Process and apparatus for the manufacture of films by electrostatic application | Performing Operations; Transporting | 6 | Expired |
| US3972714A | Method for electrostatic reproduction by charge transfer | Physics | 4 | Expired |
| US4115114A | Electrostatic charge image transfer | Physics | 3 | Expired |
| US4033577A | Sheet feeding devices | Performing Operations; Transporting | 2 | Expired |
| US3980475A | Process of transferring an electrostatic latent image to a dielectric support | Physics | 2 | Expired |
| US4127084A | Image support for dry development device | Physics | 1 | Expired |
| US4172725A | Photosensitive compositions and recording materials and processes utilizing same | Physics | 1 | Expired |
| US3999513A | Device for development of electrophotographic electrosensitive papers | Physics | 1 | Expired |
| US3980048A | Liquid development apparatus | Physics | 0 | Expired |
| US4226931A | Process of making lithographic plate, and plate from photosensitive element | Performing Operations; Transporting | 0 | Expired |
| US4327006A | Writing liquid for use with an opaque recording material for forming transparencies for overhead projection and the like | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.