Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5073458 | Polypropylene-polybutylene laminated packaging film with improved tear strength | Larry K. Watkins | 1991-12-17 |
| 5066543 | Film, sheet and laminate capable of forming easy-open packagings | — | 1991-11-19 |
| 5036140 | Film from blend of ethylene polymers, ethylene butene polymer and propylene polymers | — | 1991-07-30 |
| 5024888 | Modified polybutylene-base hot melt compositions | Simone Mostert | 1991-06-18 |
| 4977206 | Modified polybutylene-based hot melt compositions | Simone Mostert | 1990-12-11 |
| 4960820 | Compositions and articles using high melt flow poly-1-butene and polypropylene blends | — | 1990-10-02 |
| 4916190 | Film and sheet capable of forming retortable and easy-open packagings | — | 1990-04-10 |
| 4886849 | Butene-1 molding resin blends | Patrick M. Hughes | 1989-12-12 |
| 4882229 | Blends of high molecular weight polybutylene with low density polyethylene | — | 1989-11-21 |
| 4876156 | Film and sheet capable of forming retortable and easy-open packagings | — | 1989-10-24 |
| 4870134 | Film, sheet and laminate capable of forming easy-open packagings | — | 1989-09-26 |
| 4808662 | Peelable seals using polybutylene | — | 1989-02-28 |
| 4769421 | Butene-rich butene-1-propylene copolymer shrink film | — | 1988-09-06 |
| 4766178 | Butene-rich butene-1 propylene copolymer composition | — | 1988-08-23 |
| 4759984 | Peelable seals using polybutylene-1 | — | 1988-07-26 |
| 4725505 | Polybutylene blend for form and fill film packaging | Masaki Kohyama | 1988-02-16 |
| 4681804 | Polybutylene room temperature aged film | — | 1987-07-21 |
| 4677025 | Unique molecular weight distribution polybutylene blend and film | Sol Davison | 1987-06-30 |
| 4666778 | Packaging film and sheet capable of forming peelable seals with good optics | — | 1987-05-19 |
| 4665130 | Packaging film and sheet capable of forming peelable seals with good optics | — | 1987-05-12 |
| 4554321 | Film compositions of butene polymers | George B. Klingensmith, John A. Martone | 1985-11-19 |
| 4528220 | Plastic bags for medical solutions and blood | — | 1985-07-09 |
| 4359544 | Synergistic co-nucleants for butene-1 polymer compositions | John A. Martone | 1982-11-16 |
| 4354004 | Film compositions from olefin polymer blends | Patrick M. Hughes, Ananda M. Chatterjee | 1982-10-12 |
| 4247584 | Composition comprising a blend of EVA polymers having differing VA contents; films and laminates made therefrom by extrusion; and heat-sealed food bags made from the laminates | Almar T. Widiger, Norman G. Gaylord, Pang-Chia Lu | 1981-01-27 |