Helmut Mrozik has been granted 42 US patents while listed as an inventor at Merck . The first was granted in 1980 and the most recent in November 1998. Helmut Mrozik ranks #72,062 of 4,157,543 US inventors in our database (top 1.7%). Patent records list Helmut Mrozik in Matawan, NJ, US.
Patents per Year Patents granted per year, 1980 to 1998 Bar chart with a peak of 6 patents in 1991. peak 6 1980: 2 patents 1980 1981: 1 patents 1982: 1 patents 1982 1983: 1 patents 1984: 3 patents 1984 1985: 5 patents 1986: 2 patents 1986 1989: 5 patents 1990: 4 patents 1990 1991: 6 patents 1992: 2 patents 1992 1993: 5 patents 1994: 2 patents 1994 1997: 1 patents 1998: 2 patents 1998
Issued Patents All Time
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Showing 1–25 of 42 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
5830875
24-and 25-substituted avermectin and milbemycin derivatives
Thomas L. Shih
1998-11-03
$190,857,000
5789587
Heterocyclic-fused lactams promote release of growth hormone
Michael H. Fisher , William R. Schoen , Thomas L. Shih , Matthew J. Wyvratt
1998-08-04
$140,206,000
5606054
Heterocyclic-fused lactams promote release of growth hormone
Michael H. Fisher , William R. Schoen , Thomas L. Shih , Matthew J. Wyvratt
1997-02-25
$104,679,000
5350742
Avermectin difluoro derivatives
Peter T. Meinke , Michael H. Fisher
1994-09-27
$22,745,000
5284841
Benzo-fused lactams promote release of growth hormone
Lin Chu , Michael H. Fisher , William R. Schoen
1994-02-08
$60,772,000
5262400
4.alpha.-substituted avermectin derivatives
Lin Chu , Todd K. Jones
1993-11-16
$42,536,000
5244879
23-nor-23-oxa avermectin analogs are active anthelmintic agents
Peter T. Meinke
1993-09-14
$67,512,000
5229415
Alkylthio alkyl avermectins are active antiparasitic agents
Bruce O. Linn
1993-07-20
$28,658,000
5229416
Avermectin difluoro derivatives
Peter T. Meinke , Michael H. Fisher
1993-07-20
$28,658,000
5208222
"4""-and 4'-alkylthio avermectin derivatives"
Peter T. Meinke
1993-05-04
$35,037,000
5169839
"Derivatives of 3'- and 3""-O-desmethyl avermectin compounds, compositions and methods of treating melmintic and parasitic infections"
Bruce O. Linn
1992-12-08
$56,439,000
5162363
23-nor-23-thia avermectin analogs are active anthelmintic agents
Peter T. Meinke
1992-11-10
$33,586,000
5057499
Avermectin derivatives
Peter J. Sinclair
1991-10-15
$31,507,000
5055454
13-epi-avermectin derivatives useful as antiparasitic agents
Timothy A. Blizzard
1991-10-08
$20,966,000
5030622
Avermectin derivatives
Peter J. Sinclair
1991-07-09
$21,018,000
5023241
Avermectin derivatives
Bruce O. Linn
1991-06-11
$44,264,000
5015630
5-oxime avermectin derivatives
Michael H. Fisher
1991-05-14
$36,482,000
5008250
Avermectins with a cleaved furan ring and an 8a hydroxy group
Michael H. Fisher , Matthew J. Wyvratt
1991-04-16
$84,642,000
4978656
Synthetic derivatives of paraherquamide
Timothy A. Blizzard , Gaye Marino , Peter J. Sinclair
1990-12-18
$29,474,000
4923867
Synthetic marcfortine derivatives useful as antiparasitic agents
Timothy A. Blizzard
1990-05-08
$19,242,000
4906619
Alkyl avermectin derivatives
Philip Eskola , Thomas L. Shih
1990-03-06
$15,764,000
4895837
Avermectin derivatives
Frank S. Waksmunski
1990-01-23
$55,183,000
4874749
"4""-Deoxy-4-N-methylamino avermectin Bla/Blb"
—
1989-10-17
$12,315,000
4873224
Avermectin derivatives
Bruce O. Linn
1989-10-10
$12,957,000
4866060
Use of the natural product marcfortines as antiparasitic agents
—
1989-09-12
$13,111,000