Inventor · disambiguated record
Donald R. Cowsar
Also filed as: COWSAR DONALD R · COWSAR DONALD ROY
32 granted patents·5,503 citations·filing 1976–2009
98Inventor score
Top patents by PatentIndex Score
32 records- 0199US5990194ABiodegradable in-situ forming implants and methods of producing the sameATRIX LAB INC·Filed 1997·Granted Nov 23, 1999·312 cites·14 claims
- 0299US5278201ABiodegradable in-situ forming implants and methods of producing the sameATRIX LAB INC·Filed 1990·Granted Jan 11, 1994·608 cites·21 claims
- 0399US4530840AInjectable, long-acting microparticle formulation for the delivery of anti-inflammatory agentsSTOLLE RES & DEV·Filed 1982·Granted Jul 23, 1985·707 cites·12 claims
- 0498US5739176ABiodegradable in-situ forming implants and methods of producing the sameATRIX LAB INC·Filed 1994·Granted Apr 14, 1998·327 cites·43 claims
- 0598US5733950ABiodegradable in-situ forming implants and methods of producing the sameATRIX LAB INC·Filed 1995·Granted Mar 31, 1998·241 cites·14 claims
- 0698US5278202ABiodegradable in-situ forming implants and methods of producing the sameATRIX LAB INC·Filed 1991·Granted Jan 11, 1994·482 cites·11 claims
- 0798US4938763ABiodegradable in-situ forming implants and methods of producing the sameDUNN RICHARD L·Filed 1988·Granted Jul 3, 1990·1.3k cites·19 claims
- 0897US5340849ABiodegradable in-situ forming implants and methods for producing the sameATRIX LAB INC·Filed 1991·Granted Aug 23, 1994·238 cites·16 claims
- 0997US4542025AInjectable, long-acting microparticle formulation for the delivery of anti-inflammatory agentsSTOLLE RES & DEV·Filed 1984·Granted Sep 17, 1985·216 cites·12 claims
- 1096US4327046AMethod for producing a rigid, shaped mass support systemSOUTHERN RES INST·Filed 1979·Granted Apr 27, 1982·74 cites·9 claims
- 1193US4732763AActive/passive immunization of the internal female reproductive organsSTOLLE RES & DEV·Filed 1984·Granted Mar 22, 1988·141 cites·19 claims
- 1292US4756907AActive/passive immunization of the internal female reproductive organsSTOLLE RES & DEV·Filed 1986·Granted Jul 12, 1988·157 cites·62 claims
- 1392US4201822ANovel fabric containing microcapsules of chemical decontaminants encapsulated within semipermeable polymersUS ARMY·Filed 1979·Granted May 6, 1980·53 cites·10 claims
- 1490US4589880ADisposable spermicide-releasing diaphragmSOUTHERN RES INST·Filed 1983·Granted May 20, 1986·62 cites·20 claims
- 1590US4064086AThermoplastic hydrogelsNAT PATENT DEV CORP·Filed 1976·Granted Dec 20, 1977·48 cites·40 claims
- 1687US5565216AHair relaxer compositionsCARSON PROD CO·Filed 1993·Granted Oct 15, 1996·96 cites·56 claims
- 1786US5085866AMethod of producing zero-order controlled-released devicesSOUTHERN RES INST·Filed 1988·Granted Feb 4, 1992·81 cites·17 claims
- 1882US7501485B2Bioactive keratin peptidesKERAPLAST TECH LTD·Filed 2003·Granted Mar 10, 2009·12 cites·38 claims
- 1982USRE37950EBiogradable in-situ forming implants and methods of producing the sameATRIX LAB INC·Filed 2000·Granted Dec 31, 2002·103 cites·36 claims
- 2081US4585651AActive/passive immunization of the internal female reproductive organsSTOLLE RES & DEV·Filed 1980·Granted Apr 29, 1986·50 cites·4 claims
- 2178US4181500AChemical testing systemsBURROUGHS WELLCOME CO·Filed 1976·Granted Jan 1, 1980·32 cites·23 claims
- 2276US8324346B2Bioactive keratin peptidesCOWSAR DONALD R·Filed 2009·Granted Dec 4, 2012·3 cites·36 claims
- 2369US4314572AMethod and composition for hair treatmentCARSON PROD CO·Filed 1980·Granted Feb 9, 1982·31 cites·14 claims
- 2468US4950735ABiodegradable polyamidesSHARPOINT L P·Filed 1988·Granted Aug 21, 1990·16 cites·11 claims
- 2568US4912810AMethod and apparatus for peeling crustaceansDUZITALL EQUIPMENT CORP·Filed 1988·Granted Apr 3, 1990·18 cites·26 claims
- 2667US8101202B2Gentle process for conversion of cystine in keratin-containing materials to lanthionineBRANHAM KEITH EDWARD·Filed 2005·Granted Jan 24, 2012·2 cites·9 claims
- 2766US5609859AHair relaxer compositions and methods for preparing sameCARSON PROD CO·Filed 1995·Granted Mar 11, 1997·24 cites·9 claims
- 2863US4784699AProcess for decontaminating military nerve and blister agentsUS ARMY·Filed 1987·Granted Nov 15, 1988·27 cites·3 claims
- 2960US5849277AHair relaxer compositions and methods for preparing sameCARSON PROD CO·Filed 1996·Granted Dec 15, 1998·18 cites·8 claims
- 3059US4303085ASystem and method for hair treatmentCARSON PROD CO·Filed 1980·Granted Dec 1, 1981·22 cites·15 claims
- 3157US5068220ABiodegradable polyamides for providing a controlled release therapeutic drugSHARPOINT L P·Filed 1990·Granted Nov 26, 1991·21 cites·5 claims
- 3253US4388358AAdaptive support systemUNIV ALABAMA·Filed 1981·Granted Jun 14, 1983·10 cites·5 claims
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