Patents by Inventor Johannes Petrus Antonius Jansen
Johannes Petrus Antonius Jansen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9320247Abstract: The present invention relates to a Spinacia oleracea seed designated 51-336 RZ, which exhibits late bolting, circular first foliage leaves, smooth mature leaves, and resistance against downy mildew (Peronospora farinosa f.sp. spinaciae) races Pfs1 to Pfs13 and strain UA4410. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-336 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-336 RZ.Type: GrantFiled: March 14, 2013Date of Patent: April 26, 2016Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventors: Jan Hugo den Braber, Johannes Petrus Antonius Jansen
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Patent number: 9307739Abstract: The present invention relates to a Spinacia oleracea seed designated 51-335 RZ, which exhibits late bolting, savoy mature leaves with an ovate shape, and resistance to downy mildew (Peronospora farinosa f.sp. spinaciae) races Pfs1 to Pfs13 and strain UA4410. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-335 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-335 RZ.Type: GrantFiled: March 14, 2013Date of Patent: April 12, 2016Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventors: Jan Hugo den Braber, Johannes Petrus Antonius Jansen
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Patent number: 9295220Abstract: The present invention relates to a Spinacia oleracea L. seed designated 51-518 RZ, which exhibits a combination of traits including early bolting, a semi-erect plant habit, smooth mature leaves, field resistance against leaf spot diseases and resistance to downy mildew (Peronsopera farinosa f. sp. spinaciae) races Pfs 1 to 12 and Pfs 14. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-518 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-518 RZ.Type: GrantFiled: March 7, 2014Date of Patent: March 29, 2016Assignee: RIJK ZW AAN ZAADTEELT EN ZAADHANDEL B.V.Inventor: Johannes Petrus Antonius Jansen
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Patent number: 9295219Abstract: The present invention relates to a Spinacia oleracea seed designated 51-706 RZ, which exhibits medium bolting, semi-erect plant habit, semi-savoy mature leaves, and resistance to downy mildew (Peronospora farinosa f. sp. spinaciae) races Pfs1 to Pfs13. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-706 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-706 RZ.Type: GrantFiled: March 14, 2013Date of Patent: March 29, 2016Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventors: Jan Hugo den Braber, Johannes Petrus Antonius Jansen
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Patent number: 9265225Abstract: The present invention relates to a Lactuca sativa seed designated 45-149 RZ, which exhibits resistance to downy mildew (Bremia lactucae) races Bl:1-28 Ca-I to Ca-VIII, and strains F837 and USA927, resistance to currant-lettuce aphid (Nasonovia ribisnigri), moderately glossy leaves, and a medium head size. The present invention also relates to a Lactuca sativa plant produced by growing the 45-149 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 45-149 RZ.Type: GrantFiled: March 15, 2013Date of Patent: February 23, 2016Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventors: Maria Helena Roosenboom-Kooijman, Johannes Petrus Antonius Jansen, Willem van Vliet
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Patent number: 9258974Abstract: The present invention relates to a Lactuca sativa seed designated 45-125 RZ, which exhibits resistance to downy mildew (Bremia lactucae) races Bl:1-28 Ca-I to Ca-VIII, and strain USA927, resistance to currant-lettuce aphid (Nasonovia ribisnigri), moderately glossy leaves, and a medium head size. The present invention also relates to a Lactuca sativa plant produced by growing the 45-125 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 45-125 RZ.Type: GrantFiled: March 15, 2013Date of Patent: February 16, 2016Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventors: Maria Helena Roosenboom-Kooijman, Johannes Petrus Antonius Jansen, Willem van Vliet
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Patent number: 9139846Abstract: The present invention relates to a Lactuca sativa seed designated 45-21 RZ, which exhibits a combination of traits including resistance to downy mildew (Bremia lactucae) races Bi:1 to Bl:28 and CA-I to CA-VIII, resistance to currant-lettuce aphid (Nasonovia ribisnigri) biotype Nr:0, very slow bolting, moderately to deeply incised margins of the mature leaves and a large head size. The present invention also relates to a Lactuca sativa plant produced by growing the 45-21 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 45-21 RZ.Type: GrantFiled: December 22, 2012Date of Patent: September 22, 2015Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventors: Johannes Petrus Antonius Jansen, Maria Helena Roosenboom-Kooijman, Willem van Vliet
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Patent number: 9125374Abstract: The present invention relates to a Lactuca sativa seed designated 45-171 RZ, which exhibits a combination of traits including resistance to downy mildew (Bremia lactucae) races B1:1 to B1:28, CA-I, CA-IIA, CA-IIB, CA-III, CA-IV, CA-V, CA-VI, CA-VII, CA-VIII, currant-lettuce aphid (Nasonovia ribisnigri) biotype Nr:0, lettuce mosaic virus (LMV) race LMV:1, and root aphids (Pemphigus bursarius), as well as very slow bolting. The present invention also relates to a Lactuca sativa plant produced by growing the 45-171 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 45-171 RZ.Type: GrantFiled: November 16, 2012Date of Patent: September 8, 2015Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventors: Maria Helena Roosenboom-Kooijman, Johannes Petrus Antonius Jansen, Willem van Vliet
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Patent number: 9119366Abstract: The present invention relates to a Lactuca sativa var. longifolia Lam. seed designated as 41-101 RZ, which has leaves with a hollow main vein, broad base leaves, and exhibits resistance against downy mildew (Bremia lactucae Regel.), and currant-lettuce aphid (Nasonovia ribisnigri). The present invention also relates to a Lactuca sativa var. longifolia Lam. plant produced by growing the “41-101 RZ” seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 41-101 RZ.Type: GrantFiled: May 11, 2012Date of Patent: September 1, 2015Assignee: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventors: Johannes Petrus Antonius Jansen, Maria Helena Roosenboom-Kooijmans, Willem Van Vliet
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Publication number: 20140283195Abstract: The present invention relates to a Spinacia oleracea L. seed designated 51-518 RZ, which exhibits a combination of traits including early bolting, a semi-erect plant habit, smooth mature leaves, field resistance against leaf spot diseases and resistance to downy mildew (Peronsopera farinosa f. sp. spinaciae) races Pfs 1 to 12 and Pfs 14. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-518 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-518 RZ.Type: ApplicationFiled: March 7, 2014Publication date: September 18, 2014Applicant: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventor: Johannes Petrus Antonius Jansen
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Publication number: 20140272086Abstract: The present invention relates to a Lactuca sativa seed designated 45-149 RZ, which exhibits resistance to downy mildew (Bremia lactucae) races Bl:1-28 Ca-I to Ca-VIII, and strains F837 and USA927, resistance to currant-lettuce aphid (Nasonovia ribisnigri), moderately glossy leaves, and a medium head size. The present invention also relates to a Lactuca sativa plant produced by growing the 45-149 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 45-149 RZ.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Applicant: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventors: Maria Helena Roosenboom-Kooijman, Johannes Petrus Antonius Jansen, Willem van Vliet
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Publication number: 20140272084Abstract: The present invention relates to a Lactuca sativa seed designated 45-125 RZ, which exhibits resistance to downy mildew (Bremia lactucae) races Bl:1-28 Ca-I to Ca-VIII, and strain USA927, resistance to currant-lettuce aphid (Nasonovia ribisnigri), moderately glossy leaves, and a medium head size. The present invention also relates to a Lactuca sativa plant produced by growing the 45-125 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 45-125 RZ.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Applicant: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventors: Maria Helena Roosenboom-Kooijman, Johannes Petrus Antonius Jansen, Willem van Vliet
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Publication number: 20140283196Abstract: The present invention relates to a Lactuca sativa seed designated 45-125 RZ, which may exhibit a combination traits including resistance to downy mildew (Bremia lactucae) races Bl:1-28, Ca-I to Ca-VIII, and strain USA927, resistance to currant-lettuce aphid (Nasonovia ribisnigri), moderately glossy leaves, and a medium head size. The present invention also relates to a Lactuca sativa plant produced by growing the 45-125 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 45-125 RZ.Type: ApplicationFiled: March 7, 2014Publication date: September 18, 2014Applicant: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventors: Maria Helena Roosenboom-Kooijman, Johannes Petrus Antonius Jansen, Willem van Vliet
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Publication number: 20140141148Abstract: The present invention relates to a Lactuca sativa seed designated 45-171 RZ, which exhibits a combination of traits including resistance to downy mildew (Bremia lactucae) races B1:1 to B1:28, CA-I, CA-IIA, CA-IIB, CA-III, CA-IV, CA-V, CA-VI, CA-VII, CA-VIII, currant-lettuce aphid (Nasonovia ribisnigri) biotype Nr:0, lettuce mosaic virus (LMV) race LMV:1, and root aphids (Pemphigus bursarius), as well as very slow bolting. The present invention also relates to a Lactuca sativa plant produced by growing the 45-171 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 45-171 RZ.Type: ApplicationFiled: November 16, 2012Publication date: May 22, 2014Applicant: RIJK ZWAAN ZAADTEELT EN ZAADHANDEL B.V.Inventors: Maria Helena Roosenboom-Kooijman, Johannes Petrus Antonius Jansen, Willem van Vliet
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Publication number: 20140068800Abstract: The present invention relates to a Spinacia oleracea seed designated 51-706 RZ, which exhibits medium bolting, semi-erect plant habit, semi-savoy mature leaves, and resistance to downy mildew (Peronospora farinosa f. sp. spinaciae) races Pfs1 to Pfs13. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-706 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-706 RZ.Type: ApplicationFiled: March 14, 2013Publication date: March 6, 2014Applicant: Rijk Zwaan Zaadteelt en Zaadhandel B.V.Inventors: Jan Hugo den BRABER, Johannes Petrus Antonius JANSEN
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Publication number: 20140068799Abstract: The present invention relates to a Spinacia oleracea seed designated 51-336 RZ, which exhibits late bolting, circular first foliage leaves, smooth mature leaves, and resistance against downy mildew (Peronospora farinosa f.sp. spinaciae) races Pfs1 to Pfs13 and strain UA4410. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-336 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-336 RZ.Type: ApplicationFiled: March 14, 2013Publication date: March 6, 2014Applicant: Rijk Zwaan Zaadteelt en Zaadhandel B.V.Inventors: Jan Hugo den BRABER, Johannes Petrus Antonius JANSEN
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Publication number: 20140068806Abstract: The present invention relates to a Spinacia oleracea seed designated 51-333 RZ, which exhibits medium bolting, an erect plant habit, ovate first foliage leaves, semi-savoy mature leaves and resistance to downy mildew (Peronospora farinosa f. sp. spinaciae) races Pfs1 to Pfs13 and strain UA4410. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-333 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-333 RZ.Type: ApplicationFiled: March 14, 2013Publication date: March 6, 2014Applicant: Rijk Zwaan Zaadteelt en Zaadhandel B.V.Inventors: Jan Hugo den BRABER, Johannes Petrus Antonius JANSEN
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Publication number: 20140068801Abstract: The present invention relates to a Spinacia oleracea seed designated 51-331 RZ, which exhibits medium bolting, an erect plant habit, smooth mature leaves and resistance to downy mildew (Peronospora farinosa f. sp. spinaciae) races Pfs1 to Pfs13 and strain UA4410. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-331 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-331 RZ.Type: ApplicationFiled: March 14, 2013Publication date: March 6, 2014Applicant: Rijk Zwaan Zaadteelt en Zaadhandel B.V.Inventors: Jan Hugo den BRABER, Johannes Petrus Antonius JANSEN
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Publication number: 20140068804Abstract: The present invention relates to a Spinacia oleracea seed designated 51-707 RZ, which exhibits early bolting, erect plant habit, semi-savoy leaves, and resistance against downy mildew (Peronospora farinosa f. sp. spinaciae) races Pfs1 to Pfs13 and strain UA4410. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-707 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-707 RZ.Type: ApplicationFiled: March 14, 2013Publication date: March 6, 2014Applicant: Rijk Zwaan Zaadteelt en Zaadhandel B.V.Inventors: Jan Hugo den BRABER, Johannes Petrus Antonius JANSEN
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Publication number: 20140065287Abstract: The present invention relates to a Spinacia oleracea seed designated 51-335 RZ, which exhibits late bolting, savoy mature leaves with an ovate shape, and resistance to downy mildew (Peronospora farinosa f.sp. spinaciae) races Pfs1 to Pfs13 and strain UA4410. The present invention also relates to a Spinacia oleracea plant produced by growing the 51-335 RZ seed. The invention further relates to methods for producing the spinach cultivar, represented by spinach variety 51-335 RZ.Type: ApplicationFiled: March 14, 2013Publication date: March 6, 2014Applicant: Rijk Zwaan Zaadteelt en Zaadhandel B.V.Inventors: Jan Hugo den BRABER, Johannes Petrus Antonius JANSEN