Sheppard; Clyde H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sheppard; Clyde H..The latest application filed is for "conductive, thermally stable oligomers".
Company Profile
0.65.0
- Sheppard; Clyde H. - Bellevue WA
- Sheppard; Clyde H. - Post Falls ID
- Sheppard; Clyde H. - Seattle WA
- Sheppard; Clyde H. - WA
- Sheppard; Clyde H. - Rancho Palos Verdes CA
Patent Activity
| Patent | Date |
|---|---|
| Conductive, thermally stable oligomers Grant 5,968,640 - Lubowitz , et al. October 19, 1 | 1999-10-19 |
| Oligomers with multiple chemically functional end caps Grant 5,969,079 - Lubowitz , et al. October 19, 1 | 1999-10-19 |
| Reactive polyarylene sulfide oligomers Grant 5,780,583 - Lubowitz , et al. July 14, 1 | 1998-07-14 |
| Multiple chemically functional oligomer blends Grant 5,756,597 - Lubowtiz , et al. May 26, 1 | 1998-05-26 |
| Method for making multiple chemically functional oligomers Grant 5,714,566 - Lubowtiz , et al. February 3, 1 | 1998-02-03 |
| Method for making a polyimide blend Grant 5,705,574 - Lubowitz , et al. January 6, 1 | 1998-01-06 |
| Liquid molding compounds Grant 5,693,741 - Sheppard , et al. December 2, 1 | 1997-12-02 |
| Method of making multidimensional polyesters Grant 5,602,226 - Lubowitz , et al. February 11, 1 | 1997-02-11 |
| Heterocycle or heterocycle sulfone oligomers with multiple chemically functional end caps Grant 5,594,089 - Lubowtiz , et al. January 14, 1 | 1997-01-14 |
| Methods for making liquid molding compounds using diamines and dicyanates Grant 5,587,105 - Sheppard , et al. December 24, 1 | 1996-12-24 |
| Polyimide oligomers and blends Grant 5,516,876 - Lubowitz , et al. May 14, 1 | 1996-05-14 |
| Method of making multidimensional oligomers Grant 5,463,076 - Sheppard , et al. October 31, 1 | 1995-10-31 |
| Post-cure method for polyimide oligomers Grant 5,455,115 - Lubowitz , et al. October 3, 1 | 1995-10-03 |
| Polyethersulfone oligomers and blends Grant 5,446,120 - Lubowitz , et al. August 29, 1 | 1995-08-29 |
| Composites containing amideimide sized fibers Grant 5,403,666 - Lubowitz , et al. April 4, 1 | 1995-04-04 |
| Extended acid halide capping monomers Grant 5,367,083 - Sheppard , et al. November 22, 1 | 1994-11-22 |
| Polyimide oligomers and blends Grant 5,344,894 - Lubowitz , et al. September 6, 1 | 1994-09-06 |
| Blended polyimide oligomers and method of curing polyimides Grant 5,286,811 - Lubowitz , et al. February 15, 1 | 1994-02-15 |
| Lightly crosslinked etherimide oligomers Grant 5,268,519 - Sheppard , et al. December 7, 1 | 1993-12-07 |
| Amideimide sizing for carbon fiber Grant 5,239,046 - Lubowitz , et al. August 24, 1 | 1993-08-24 |
| Extended difunctional end-cap monomers Grant 5,227,461 - Lubowitz , et al. July 13, 1 | 1993-07-13 |
| Dimensional, crosslinkable oligomers Grant 5,210,213 - Sheppard , et al. May 11, 1 | 1993-05-11 |
| Heterocycle oligomers with multidimensional morphology Grant 5,198,526 - Lubowitz , et al. March 30, 1 | 1993-03-30 |
| Halo- or nitro-intermediates useful for synthesizing etherimides Grant 5,175,304 - Sheppard , et al. December 29, 1 | 1992-12-29 |
| Lightly crosslinked polyimides Grant 5,175,234 - Lubowitz , et al. December 29, 1 | 1992-12-29 |
| Multidimensional ester or ether oligomers with pyrimidinyl end caps Grant 5,175,233 - Lubowitz , et al. December 29, 1 | 1992-12-29 |
| Coreactive oligomer blends Grant 5,159,055 - Sheppard , et al. October 27, 1 | 1992-10-27 |
| Crosslinkable polyamideimide oligomers and a method of preparation Grant 5,155,206 - Lubowitz , et al. October 13, 1 | 1992-10-13 |
| Method of preparing a crosslinking oligomer Grant 5,151,487 - Lubowitz , et al. September 29, 1 | 1992-09-29 |
| Method for forming crosslinking polyetherimide oligomers Grant 5,144,000 - Sheppard , et al. September 1, 1 | 1992-09-01 |
| Heterocycle oligomers Grant 5,126,410 - Lubowitz , et al. June 30, 1 | 1992-06-30 |
| High performance heterocycles Grant 5,120,819 - Lubowitz , et al. June 9, 1 | 1992-06-09 |
| Polyimide oligomers and blends and method of curing Grant 5,116,935 - Lubowitz , et al. May 26, 1 | 1992-05-26 |
| Coreactive imido oligomer blends Grant 5,115,087 - Sheppard , et al. May 19, 1 | 1992-05-19 |
| Oligomers having pyrimidinyl end caps Grant 5,112,939 - Lubowitz , et al. May 12, 1 | 1992-05-12 |
| Polyamide oligomers Grant 5,109,105 - Lubowitz , et al. April 28, 1 | 1992-04-28 |
| Amideimide oligomers and blends Grant 5,104,967 - Sheppard , et al. April 14, 1 | 1992-04-14 |
| Phthalimide acid halides Grant 5,087,701 - Lubowitz , et al. February 11, 1 | 1992-02-11 |
| Blended heterocycles Grant 5,082,905 - Lubowitz , et al. January 21, 1 | 1992-01-21 |
| Multidimensional ether sulfone oligomers Grant 5,071,941 - Lubowitz , et al. December 10, 1 | 1991-12-10 |
| Heterocycle oligomer blends Grant 5,066,541 - Lubowitz , et al. November 19, 1 | 1991-11-19 |
| Polyimide oligomers and blends Grant 5,011,905 - Lubowitz , et al. April 30, 1 | 1991-04-30 |
| Intermediates anhydrides useful for synthesizing etherimides Grant 4,990,624 - Sheppard , et al. February 5, 1 | 1991-02-05 |
| Method of making crosslinking imidophenylamines Grant 4,985,568 - Lubowitz , et al. January 15, 1 | 1991-01-15 |
| Blended etherimide oligomers Grant 4,981,922 - Sheppard , et al. January 1, 1 | 1991-01-01 |
| End-cap monomers and oligomers Grant 4,980,481 - Lubowitz , et al. December 25, 1 | 1990-12-25 |
| High performance heterocycle oligomers and blends Grant 4,965,336 - Lubowitz , et al. October 23, 1 | 1990-10-23 |
| Crosslinking nitromonomers Grant 4,958,031 - Sheppard , et al. September 18, 1 | 1990-09-18 |
| Crosslinking imidophenylamines Grant 4,935,523 - Lubowitz , et al. June 19, 1 | 1990-06-19 |
| Polyamide composition Grant 4,876,328 - Lubowitz , et al. October 24, 1 | 1989-10-24 |
| Polysulfone and polyethersulfone oligomers Grant 4,871,475 - Lubowitz , et al. * October 3, 1 | 1989-10-03 |
| Heterocycle sulfone oligomers and blends Grant 4,868,270 - Lubowitz , et al. September 19, 1 | 1989-09-19 |
| Polyethersulfone prepregs, composites, and blends Grant 4,851,501 - Lubowitz , et al. * July 25, 1 | 1989-07-25 |
| Polyetherimide oligomer Grant 4,851,495 - Sheppard , et al. July 25, 1 | 1989-07-25 |
| Blended polyamide oligomers Grant 4,847,333 - Lubowitz , et al. July 11, 1 | 1989-07-11 |
| Difunctional end-cap monomers Grant 4,739,030 - Lubowitz , et al. April 19, 1 | 1988-04-19 |
| Method for making polyimide oligomers Grant 4,684,714 - Lubowitz , et al. August 4, 1 | 1987-08-04 |
| Monofunctional crosslinking imidophenols Grant 4,661,604 - Lubowitz , et al. April 28, 1 | 1987-04-28 |
| Phenolic-capped imide sulfone resins Grant 4,584,364 - Lubowitz , et al. April 22, 1 | 1986-04-22 |
| Polybutadiene modified polyester compositions Grant 4,547,553 - Lubowitz , et al. October 15, 1 | 1985-10-15 |
| Thermally stable polyimide polysulfone compositions for composite structures Grant 4,536,559 - Lubowitz , et al. August 20, 1 | 1985-08-20 |
| Thermally stable polysulfone compositions for composite structures Grant 4,476,184 - Lubowitz , et al. October 9, 1 | 1984-10-09 |
| Solvent resistant polysulfone and polyethersulfone compositions Grant 4,414,269 - Lubowitz , et al. November 8, 1 | 1983-11-08 |
| High performance resin reaction products of carboxyl terminated 1,2-polybutadiene with epoxides and acid terminated difunctional aliphatic alcohols Grant 4,338,225 - Sheppard July 6, 1 | 1982-07-06 |
| Reaction products of carboxyl terminated 1,2-polybutadiene with epoxides and aromatic bis(maleimides) Grant 3,931,354 - Sheppard , et al. January 6, 1 | 1976-01-06 |
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