Issued Patents All Time
Showing 51–75 of 82 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847312 | Hydrolytically stable polycarbonate composition comprising dicyclopentadienyl epoxy ether | Charles E. Lundy | 1989-07-11 |
| 4837243 | Foamable molding compositions | Roger J. White | 1989-06-06 |
| 4828921 | Polycarbonate molding compositions | Mark W. Witman, Wolfgang Siebourg, Ronald L. Price | 1989-05-09 |
| 4816504 | Stabilized polycarbonates | John V. Bailey | 1989-03-28 |
| 4804692 | Gamma-radiation resistant polycarbonate compositions | Charles E. Lundy, Winfried Paul | 1989-02-14 |
| 4772655 | Pigmented, flame resistant polycarbonate compositions | Roger J. White, Ronald L. Price | 1988-09-20 |
| 4753994 | Flame retardant polycarbonate compositions | Russell P. Carter, Jr., Ulrich Grigo, Mark W. Witman, Klaus Kircher, Hans-Jurgen Kress +1 more | 1988-06-28 |
| 4751250 | Process for foaming thermoplastic | Roger J. White | 1988-06-14 |
| 4737523 | Foamable molding compositions | Roger J. White, Wolfgang Siebourg | 1988-04-12 |
| 4673699 | Flame retardant molding compositions | Ulrich Grigo | 1987-06-16 |
| 4650823 | Iron oxide pigmented, polycarbonate compositions | Ronald L. Price, Roger J. White | 1987-03-17 |
| 4632949 | Flame retarding agents for polycarbonates | — | 1986-12-30 |
| 4594375 | Bis-(imide-sulfonate) flameproofing agents, their preparation and their use for flameproofing in polycarbonate | Klaus Kircher, Hans-Jurgen Kress | 1986-06-10 |
| 4578409 | Flame retarding silanes | Ulrich Grigo, Donald A. Folajtar | 1986-03-25 |
| 4558162 | 4,4'-Bis(4-hydroxyphenyl thio)biphenyls | John R. Sanderson | 1985-12-10 |
| 4552911 | Polycarbonate molding compositions having improved flame retardance | Wolfgang Cohnen, Klaus Kircher, Peter Muller, Dieter Neuray | 1985-11-12 |
| 4539384 | Polymers prepared from 4,4'-bis(4-hydroxyphenyl thio)biphenyls | John R. Sanderson | 1985-09-03 |
| 4535143 | Process for the preparation of copolycarbonates of sulfonyl diphenol | Ronald L. Price, Mark W. Witman | 1985-08-13 |
| 4515937 | Flame resistant sulfur-bearing copolycarbonate | Arthur L. Baron | 1985-05-07 |
| 4503213 | Process for the preparation of polycarbonates having N-alkyl-perfluoroalkyl sulfonamide terminal groups | Dieter Neuray, Wolfgang Cohnen, Klaus Geisler | 1985-03-05 |
| 4497947 | Polycarbonate compositions having improved heat deflection temperature | John R. Sanderson | 1985-02-05 |
| 4477637 | Flame retardant alkylated polycarbonate compositions | — | 1984-10-16 |
| 4471104 | Process for the preparation of polycarbonates having sulfonanilide terminal groups | Wolfgang Cohnen, Dieter Neuray | 1984-09-11 |
| 4463163 | Polycarbonate from 4,4'-bis (4-hydroxyphenyl thio)biphenyls | John R. Sanderson | 1984-07-31 |
| 4448930 | Polycarbonate blends having an improved impact strength | Nelson R. Lazear | 1984-05-15 |