Issued Patents All Time
Showing 1–25 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5378268 | Primer for the metallization of substrate surfaces | Gerhard D. Wolf, Kirkor Sirinyan, Wolfgang Henning, Ulrich V. Gizycki, Bruce Benda | 1995-01-03 |
| 5200272 | Process for metallizing substrate surfaces | Kirkor Sirinyan, Reinhold Dederichs, Ulrich von Gizycki, Gerhard D. Wolf, John L. Williams | 1993-04-06 |
| 5041518 | Process for the production of polyhydantoins containing amide groups and/or imide groups | Friedrich Jonas | 1991-08-20 |
| 5006641 | Process for the preparation of polyhydantoins which can be processed thermoplastically | Friedrich Jonas | 1991-04-09 |
| 4913768 | Process for producing electrical conductor boards | Gerhard D. Wolf, Kirkor Sirinyan, Ulrich von Gizycki, Friedrich H. Langer | 1990-04-03 |
| 4861663 | Process for antistatic treatment or pretreatment of polyamides, polyimides, antistatically treated or pretreated materials, and the use thereof | Kirkor Sirinyan, Hans-Joachim Laue, Dietrich Michael, Milan-Josef Tima | 1989-08-29 |
| 4849492 | Polyhydantoins containing sulphone groups | Gerhard Heywang, Friedrich Jonas, Werner Schmidtberg | 1989-07-18 |
| 4847139 | Flexible circuits | Gerhard D. Wolf, Kirkor Sirinyan, Ulrich von Gizycki | 1989-07-11 |
| 4830714 | Process for the production of printed circuit boards | Kirkor Sirinyan, Gerhard D. Wolf, Ulrich von Gizycki | 1989-05-16 |
| 4804475 | Metallized membrane systems | Kirkor Sirinyan, Karlheinz Hildenbrand, Ulrich von Gizycki, Hermann Perrey, Gerhard D. Wolf | 1989-02-14 |
| 4769177 | Electrically conductive and antistatic moulding compositions | Jurgen Hocker, Rolf Dhein | 1988-09-06 |
| 4764401 | Process for activating substrate surfaces for electroless metallization | Kirkor Sirinyan, Henning Giesecke, Gerhard D. Wolf, Harold Ebneth | 1988-08-16 |
| 4728560 | Electrical printed circuit boards | Kirkor Sirinyan, Gerhard D. Wolf, Ulrich von Gizycki | 1988-03-01 |
| 4702953 | Laminates of polyhydantoins | Friedrich Jonas, Richard A. Muller, Ludwig Rottmaier | 1987-10-27 |
| 4665190 | Heterocyclic tris-hydroxyalkyl compounds | Ludwig Rottmaier | 1987-05-12 |
| 4661384 | Process for activating substrate surfaces for electroless metallization | Kirkor Sirinyan, Gerhard D. Wolf | 1987-04-28 |
| 4659592 | Process for the production of laminated materials | Kirkor Sirinyan, Friedrich Jonas | 1987-04-21 |
| 4657786 | Black-metallized substrate surfaces | Kirkor Sirinyan, Henning Giesecke | 1987-04-14 |
| 4658026 | N,N'-bis(2,3-epoxypropyl) derivatives of cyclic dicarboxylic acid hydrazides and a process for the production thereof | Ludwig Rottmaier | 1987-04-14 |
| 4636441 | Semi-finished products for the manufacture of printed circuit boards | Kirkor Sirinyan, Gerhard D. Wolf, Ulrich von Gizycki | 1987-01-13 |
| 4622411 | Organopalladium-II-complex compounds | Kirkor Sirinyan, Henning Giesecke, Gerhard D. Wolf, Harold Ebneth | 1986-11-11 |
| 4575467 | Process for activating substrates for electroless metallization | Kirkor Sirinyan, Henning Giesecke, Gerhard D. Wolf | 1986-03-11 |
| 4568571 | Process for the adhesion-activation of polyamide substrates for electroless metallization | Kirkor Sirinyan, Gerhard D. Wolf, Ulrich von Gizycki | 1986-02-04 |
| 4563371 | Process for preparing metallized porous solid bodies | Kirkor Sirinyan, Peter M. Lange, Alfred Mitschker | 1986-01-07 |
| 4554183 | Process for pretreating polyamide substrates for electroless metallization | Kirkor Sirinyan, Gerhard D. Wolf, Ulrich von Gizycki | 1985-11-19 |