Issued Patents All Time
Showing 76–91 of 91 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4566983 | Combination of carboxylic acylating agents substituted with olefin polymers of high and low molecular weight mono-olefins, derivatives thereof, and fuels and lubricants containing same | — | 1986-01-28 |
| 4565550 | Hydrocarbyl substituted carboxylic acylating agent derivative containing combinations, and fuels containing same | Casper J. Dorer, Jr. | 1986-01-21 |
| 4564460 | Hydrocarbyl-substituted carboxylic acylating agent derivative containing combinations, and fuels containing same | Casper J. Dorer, Jr. | 1986-01-14 |
| 4559155 | Hydrocarbyl substituted carboxylic acylating agent derivative containing combinations, and fuels containing same | Casper J. Dorer, Jr. | 1985-12-17 |
| 4555771 | Data processing system for data base management of matrix type data | — | 1985-11-26 |
| 4509955 | Combinations of carboxylic acylating agents substituted with olefin polymers of high and low molecular weight mono-olefins, derivatives thereof, and fuels and lubricants containing same | — | 1985-04-09 |
| 4500632 | Process for stabilizing silver images | Kunioki Ohmura, Masaaki Torigoe, Isamu Itoh | 1985-02-19 |
| 4489194 | Carboxylic acylating agents substituted with olefin polymers of high/low molecular weight mono-olefins, derivatives thereof, and fuels and lubricants containing same | — | 1984-12-18 |
| 4486573 | Carboxylic acylating agents substituted with olefin polymers of high molecular weight mono-olefins, derivatives thereof, and fuels and lubricants containing same | — | 1984-12-04 |
| 4471091 | Combinations of carboxylic acylating agents substituted with olefin polymers of high and low molecular weight mono-olefins, derivatives thereof, and fuels and lubricants containing same | — | 1984-09-11 |
| 4358528 | Formation of black-and-white silver-containing negative images by a diffusion transfer process | Yoshihiro Takagi | 1982-11-09 |
| 4357250 | Nitrogen-containing terpolymer-based compositions useful as multi-purpose lubricant additives | — | 1982-11-02 |
| 4322493 | Reversal processing methods for black and white photographic light-sensitive materials | Haruo Shibaoka | 1982-03-30 |
| 4320019 | Multi-purpose additive compositions and concentrates containing same | — | 1982-03-16 |
| 4309499 | Formation of black-and-white silver-containing negative images by a diffusion transfer process | Yoshihiro Takagi | 1982-01-05 |
| 4228234 | Method for maintaining the development activity of a photographic lithographic developer constant | Eiichi Okutsu | 1980-10-14 |