Bizarre Patents
A beach chair which can be adapted for a woman who is pregnant and wishes to sunbathe in the prone position.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5529880 | Photoresist with a mixture of a photosensitive esterified resin and an o-naphthoquinone diazide compound A photoresist that is a mixture of the esterification product of an o-quinonediazide compound and a novolak resin and a high molecular weight phenol having from 2 to 5 phenolic groups and at least 4 diazo naphthoquinone groups. The extent of esterificatio... | 06/25/1996 |
| 5528000 | Electroplating process and composition A process for electroplating a nonconducting substrate comprising formation of a film of a conductive polymer on the surface of a nonconducting substrate and electrolytic deposition of metal thereover. The conductive film is formed by deposition of the co... | 06/18/1996 |
| 5525315 | Process for removing heavy metal ions with a chelating cation exchange resin The invention is for a process of removal of dissolved heavy metal cation contaminants from an organic solution. The process of the invention involves providing a chelating ion exchange resin modified by removal of sodium ions therefrom and contacting sai... | 06/11/1996 |
| 5514520 | Radiation sensitive composition comprising polymer having inert blocking groups A photoresist composition consisting of an acid or base generator, a crosslinking agent activated in the presence of an acid or base and an alkali soluble resin, preferably a phenolic resin, having a portion of its phenolic hydroxyl groups reacted to form... | 05/07/1996 |
| 5514515 | Photoactive compounds having a heterocyclic group used in photoresist compositions A new photoactive compound for use in the formulation of a photoresist comprises a bisphenol compound having an alkyl linkage substituted with a heterocyclic group. The new photoactive compound may be admixed with an alkali soluble resin to formulate a ph... | 05/07/1996 |
| 5500106 | Electroplating process A process for electroplating a substrate by coating the substrate with a porous coating of conductive particles having a reducing agent within its pores and electroplating over said coating. The reducing agent causes formation of an initial electroless me... | 03/19/1996 |
| 5468597 | Selective metallization process The invention is directed to a process for patterning a substrate in a selective pattern. In one embodiment, the process comprises the steps of forming a patterned coating over a substrate surface whereby portions of the substrate are covered by the patte... | 11/21/1995 |
| 5425873 | Electroplating process A process for electroplating a substrate having a surface comprising metallic and non-metallic regions. The process is characterized by selectively forming a protective film over the metallic regions of the substrate surface and forming a sulfide coating ... | 06/20/1995 |
