Pfeifer; Josef
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pfeifer; Josef.The latest application filed is for "antistatic and electrically conducting polymers and moulding materials".
- Pfeifer; Josef - Therwil CH
- Pfeifer; Josef - Unterhaching DE
- Pfeifer; Josef - Both of Therwil CH
| Patent | Date |
|---|---|
| Antistatic and electrically conducting polymers and moulding materials Grant 5,153,321 - Finter , et al. October 6, 1 | 1992-10-06 |
| Antistatic and electrically conducting polymers and moulding materials Grant 5,009,812 - Finter , et al. April 23, 1 | 1991-04-23 |
| Auto-photocrosslinkable copolyimides and polyimide compositions Grant 4,925,912 - Rohde , et al. May 15, 1 | 1990-05-15 |
| Diamino-9,10-dihydroanthracenes and polyamide acid (esters) and polyimides derived therefrom Grant 4,847,359 - Pfeifer , et al. July 11, 1 | 1989-07-11 |
| Homopolymers, copolymers and coated material and its use Grant 4,783,372 - Pfeifer November 8, 1 | 1988-11-08 |
| Polyimides, a process for their preparation and their use, and tetracarboxylic acids and tetracarboxylic acid derivatives Grant 4,698,295 - Pfeifer , et al. October 6, 1 | 1987-10-06 |
| Radiation-sensitive polycondensates, processes for their preparation coated material and its use Grant 4,694,061 - Pfeifer September 15, 1 | 1987-09-15 |
| Homopolymers, copolymers and coated material and its use Grant 4,680,195 - Pfeifer July 14, 1 | 1987-07-14 |
| Polyimides and a process for their preparation Grant 4,677,186 - Pfeifer June 30, 1 | 1987-06-30 |
| Photosensitive polymers as coating materials Grant 4,657,832 - Pfeifer April 14, 1 | 1987-04-14 |
| Radiation-sensitive coating composition Grant 4,656,116 - Rohde , et al. April 7, 1 | 1987-04-07 |
| Polyimides, a process for their preparation and their use Grant 4,629,777 - Pfeifer December 16, 1 | 1986-12-16 |
| Process for irradiating polyimides Grant 4,629,685 - Pfeifer December 16, 1 | 1986-12-16 |
| Containers for X-ray films or the like Grant 4,438,164 - Pfeifer , et al. March 20, 1 | 1984-03-20 |
| Electrophotographic method and apparatus Grant 4,210,396 - Muller , et al. July 1, 1 | 1980-07-01 |
| Crosslinkable polymers of unsaturated imides Grant 4,189,560 - Roth , et al. February 19, 1 | 1980-02-19 |
| Crosslinkable polymers of unsaturated imides Grant 4,187,364 - Darms , et al. February 5, 1 | 1980-02-05 |
| Exposure system for copying machines Grant 4,173,411 - Massengeil , et al. November 6, 1 | 1979-11-06 |
| Crosslinkable polymers of compounds containing 5-maleimidyl-isophthalic acid derivatives Grant 4,115,368 - Roth , et al. September 19, 1 | 1978-09-19 |
| Recording device Grant 4,107,687 - Pfeifer , et al. August 15, 1 | 1978-08-15 |
| Recorder Grant 4,096,486 - Pfeifer , et al. June 20, 1 | 1978-06-20 |
| Method and apparatus for producing successive lines of image points on a recording medium Grant 4,090,206 - Pfeifer , et al. May 16, 1 | 1978-05-16 |
| Sheet-holding cassette for copying machine Grant 4,087,178 - Pfeifer , et al. May 2, 1 | 1978-05-02 |
| Apparatus for manipulating finished reproductions in copying machines Grant 3,966,194 - Abbe , et al. June 29, 1 | 1976-06-29 |
| Electrostatic copying machine with removable copying drum Grant 3,966,316 - Pfeifer , et al. June 29, 1 | 1976-06-29 |
| Apparatus for wet treatment of webs of photosensitive material Grant 3,913,119 - Pfeifer , et al. October 14, 1 | 1975-10-14 |
| Apparatus for manipulating sheets in copying machines Grant 3,904,192 - Pfeifer , et al. September 9, 1 | 1975-09-09 |
| Microfilm Coding Apparatus Grant 3,827,802 - Pfeifer , et al. August 6, 1 | 1974-08-06 |
| Microfilm Coding Method And Apparatus Grant 3,750,553 - Pfeifer , et al. August 7, 1 | 1973-08-07 |
| Optical Apparatus For The Reproduction Of Superimposed Pictures Grant 3,644,019 - Bestenreiner , et al. February 22, 1 | 1972-02-22 |
| Light Measuring Means For Microfilm Cameras Grant 3,582,219 - Pfeifer , et al. June 1, 1 | 1971-06-01 |
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