Patents by Inventor Henk Timmerman
Henk Timmerman 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: 6777447Abstract: Benzylidene cyclohexanone, cyclopentanone and acteone derivatives and therapeutic methods of using same are disclosed. The compounds are non-toxic and exhibit potent anti-inflammatory, antibacterial and antioxidation activity. Also, certain compounds of the invention inhibit glutathione S-transferase (“GST”), but do not irritate the gastrointestinal tract. Pharmaceutical compositions containing the compounds of the invention and pharmaceutically acceptable carriers are also disclosed.Type: GrantFiled: February 27, 2002Date of Patent: August 17, 2004Inventors: Mochammad Samhoedi Reksohadiprodjo, Henk Timmerman, Sardjiman Dummy, Supardjan Amir Margono, Sudibyo Martono, Sugiyanto Dummy, Lukman Rahman Hakim, Nurlaila Dummy, Arief Rahman Hakim, Ika Puspitasari, Arief Nurrochmad, Purwantiningsih Dummy, Oetari Dummy, Tedjo Yuwono
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Publication number: 20030092772Abstract: Benzylidene cyclohexanone, cyclopentanone and acteone derivatives and therapeutic methods of using same are disclosed. The compounds are non-toxic and exhibit potent anti-inflammatory, antibacterial and antioxidation activity. Also, certain compounds of the invention inhibit glutathione S-transferase (“GST”), but do not irritate the gastrointestinal tract. Pharmaceutical compositions containing the compounds of the invention and pharmaceutically acceptable carriers are also disclosed.Type: ApplicationFiled: February 27, 2002Publication date: May 15, 2003Inventors: Mochammad Samhoedi Reksohadiprodjo, Henk Timmerman, Sardjiman, Supardjan Amir Margono, Sudibyo Martono, Sugiyanto, Lukman Hakim, Nurlaila, Arief Rahman Hakim, Ika Puspitasari, Arief Nurrochmad, Purwantiningsih, Oetari, Tedjo Yuwono
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Patent number: 6541672Abstract: The invention deals with the derivatives of benzilidine having basic formula as follows (I): wherein X can be cyclohexanone, cyclopentanone, or acetone, while Y and Z can be either electron withdrawing, electron donating or steric group. Y may or may not be the same with Z. Methyl, ethyl, methoxy group or halogen were prefered in the experiment. The benzilidine cyclohexanone, benzilidine cyclopentanone, and benzilidine acetone derivates were found to be novel compounds showing anti-bacterial, antioxidant, and anti-inflammatory activities that enable them to be used for drug.Type: GrantFiled: February 20, 1998Date of Patent: April 1, 2003Assignee: Faculty of Pharmacy, The University of Gadjah MadaInventors: Sardjiman, Mochammad Samhoedi Reksohadiprodjo, Henk Timmerman
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Patent number: 6136848Abstract: This invention relates to a flavone derivative represented by the formula (1) or a salt thereof, and also to a medicine containing the same. ##STR1## wherein A represents H, halogen, phenyl, naphthyl, a group of the formula (2) in which X is H or halogen, B is --CH.dbd.CH--, --CH.dbd.N--, --N(R.sup.7)-- (R.sup.7 : lower alkyl or alkoxyalkyl), --O-- or --S--; W represents a single bond, --CH.sub.2 O-- or --CH.dbd.CH--; at least one of R.sup.1 to R.sup.4 represents --COOH, --CN, alkyloxycarbonyl, tetrazolyl or --CONHR.sup.8 (R.sup.8 : H, lower alkyl or phenylsulfonyl), the remainder thereof individually represent H, halogen, --OH, lower alkyl or lower alkoxyl; R.sup.5 represents H, --OH, lower alkoxyl, --O(CH.sub.2).sub.m NR.sup.9 R.sup.10 (R.sup.9,R.sup.10 : H or lower alkyl, or coupled together with the adjacent N to form a phthalimido group; m: 1-5), or a group of the formula (3) (n: 1-5, l: 2-3; and R.sup.6 represents H, halogen, lower alkyl or lower alkoxyl.Type: GrantFiled: October 2, 1997Date of Patent: October 24, 2000Assignee: Kowa Co., Ltd.Inventors: Maria Elizabeth Zwaagstra, Mingqiang Zhang, Henk Timmerman, Masahiro Tamura, Yasushi Wada
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Patent number: 6127360Abstract: This invention relates to a diamine derivative represented by the following formula (1) or a salt thereof. wherein R.sup.1 represents H, OH, an aralkyloxy group or a halogen atom; R.sup.2 represents H or a lower alkyl group; A represents --C(R.sup.3).dbd.CH--, --CH.dbd.N--, --N(R.sup.4)--, R.sup.3 being H or OH, R.sup.4 being a lower alkyl group or an alkoxyalkyl group, --O--, or --S--; B represents a single bond, --C(R.sup.5)(R.sup.6)--(CH.sub.2).sub.k --, R.sup.5 and R.sup.6 being H or a lower alkyl group, and k being a value of from 0 to 2, --S(O).sub.q CH(R.sup.7), or --CH.dbd.CH--; E represents a single bond or --(CH.sub.2).sub.3 --; W and Y individually represent --CH.sub.2 -- or --CO--; Z represents O or S; and m is a value of 2 or 3, and n is a value of from 1 to 4; with the proviso that E is --(CH.sub.2).sub.3 -- when B is a single bond and E is a single bond when B is a group other than a single bond.Type: GrantFiled: March 5, 1999Date of Patent: October 3, 2000Assignee: Kowa Co., Ltd.Inventors: Henk Timmerman, Minggiang Zang, Kazuhiro Onogi, Masahiro Tamura, Tsutomu Tohma, Yasushi Wada
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Patent number: 6046212Abstract: This invention relates to chalcone derivatives represented by the following formula (1): wherein A represents a phenyl group, a quinolyl group or the like, W represents a vinylene group or the like, and R.sup.1 to R.sup.5 each independently represent a carboxyl, cyano, alkyloxycarbonyl or like group, or salts of the chalcone derivatives, and also to drugs containing them as effective ingredients. These compounds have excellent cys-LT receptor antagonism, and are useful as antiallergic agents or the like.Type: GrantFiled: November 17, 1998Date of Patent: April 4, 2000Assignee: Kowa Co., Ltd.Inventors: Maria Elizabeth Zwaagstra, Mingqiang Zhang, Henk Timmerman, Kazuhiro Onogi, Masahiro Tamura, Tsutomu Toma, Yasushi Wada
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Patent number: 6011033Abstract: This invention relates to a phenylene derivative represented by the following formula (1) or a salt thereof and also to a medicine containing it as an effective ingredient. ##STR1## wherein R.sup.1 represents H or halogen; A represents --CH.dbd.CH--, --CH.dbd.N--, --N(R.sup.2)--, --O-- or --S--; W represents --CH.dbd.CH-- or --CH.sub.2 O--; X represents --CH.sub.2 O--, --CH.sub.2 S--, --CH.sub.2 N(R.sup.3)--, --CH.dbd.N--, --COO-- or --CONH--; Y represents ##STR2## B.sup.1 represents --C(R.sup.7)(R.sup.8)(CH.sub.2).sub.l --, --S(O).sub.m (CH.sub.2).sub.n -- or --CH.dbd.C(R.sup.9)--; B.sup.2 represents --CH.sub.2 CH.sub.2 -- or --CH.sub.2 CH.sub.2 CH.sub.2 --; Z.sup.1 and Z.sup.2 each represents O or S; etc. The phenylene derivative or salt thereof has antileukotrienic action and antihistaminic action and is useful as a medicine such as an asthma preventive or curative.Type: GrantFiled: November 13, 1998Date of Patent: January 4, 2000Assignee: Kowa Co., Ltd.Inventors: Henk Timmerman, Mingqiang Zhang, Kazuhiro Onogi, Masahiro Tamura, Tsutomu Toma, Yasushi Wada
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Patent number: 5885987Abstract: This invention relates to a phenylene derivative represented by the following formula (1) or a salt thereof and also to a medicine containing it as an effective ingredient. ##STR1## wherein R.sup.1 represents H or halogen; A represents --CH.dbd.CH--, --CH.dbd.N--, --N(R.sup.2)--, --O-- or --S--; W represents --CH.dbd.CH-- or --CH.sub.2 O--; X represents --CH.sub.2 O--, --CH.sub.2 S--, --CH.sub.2 N(R.sup.3)--, --CH.dbd.N--, --COO-- or --CONH--; Y represents ##STR2## B.sup.1 represents --C(R.sup.7)(R.sup.8)(CH.sub.2).sub.l, --S(O).sub.m (CH.sub.2).sub.n -- or --CH.dbd.C(R.sup.9)--; B.sup.2 represents --CH.sub.2 CH.sub.2 -- or --CH.sub.2 CH.sub.2 CH.sub.2 --; Z.sup.1 and Z.sup.2 each represents O or S; etc. The phenylene derivative or salt thereof has antileukotrienic action and antihistaminic action and is useful as a medicine such as an asthma preventive or curative.Type: GrantFiled: November 18, 1997Date of Patent: March 23, 1999Assignee: Kowa Co., Ltd.Inventors: Henk Timmerman, Mingqiang Zhang, Kazuhiro Onogi, Masahiro Tamura, Tsutomu Toma, Yasushi Wada
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Patent number: 5756518Abstract: This invention relates to a phenylene derivative represented by the following formula (1) or a salt thereof and also to a medicine containing it as an effective ingredient. ##STR1## wherein R.sup.1 represents H or halogen; A represents --CH.dbd.CH--, --CH.dbd.N--, --N(R.sup.2)--, --O-- or --S--; W represents --CH.dbd.CH-- or --CH.sub.2 O--; X represents --CH.sub.2 O--, --CH.sub.2 S--, --CH.sub.2 N(R.sup.3)--, --CH.dbd.N--, --COO-- or --CONH--; Y represents ##STR2## B.sup.1 represents --C(R.sup.7)(R.sup.8)(CH.sub.2).sub.l --, --S(O).sub.m (CH.sub.2).sub.n -- or --CH.dbd.C(R.sup.9)--; B.sup.2 represents --CH.sub.2 CH.sub.2 -- or --CH.sub.2 CH.sub.2 CH.sub.2 --; Z.sup.1 and Z.sup.2 each represents O or S; etc. The phenylene derivative or salt thereof has antileukotrienic action and antihistaminic action and is useful as a medicine such as an asthma preventive or curative.Type: GrantFiled: March 26, 1997Date of Patent: May 26, 1998Assignee: Kowa Co., Ltd.Inventors: Henk Timmerman, Mingqiang Zhang, Kazuhiro Onogi, Masahiro Tamura, Tsutomu Toma, Yasushi Wada
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Patent number: 5714501Abstract: A piperidine derivative of formula (1) or salts thereof: ##STR1## wherein R.sup.1 and R.sup.2 independently represent H or together represent O, R.sup.3 represents H, --R.sup.5 --COOR.sup.6, or --COOR.sup.6 (wherein R.sup.5 is a lower alkylene group, --CONH--, or --CONHCH.sub.2, and R.sup.6 is H or a lower alkyl group), R.sup.4 represents H, an aralkyloxy carbonyl group, an aminomethyl carbonyl group, or an aralkyloxy carbonyl aminomethyl carbonyl group, A represents O or a double bond, and the broken line has the meaning that a bonding hand may be present; and preventive and therapeutic agents for allergies, antihistaminic agents, and antileucotriene agents comprising the derivative or salts as their effective component.The compound of formula (1) has excellent antihistaminic activities and antileukotriene activities, which are well balanced, and is useful as a drug for the prevention and treatment of allergies such as asthma, allergic rhinitis, allergic dermatosis and urticaria.Type: GrantFiled: April 18, 1996Date of Patent: February 3, 1998Assignee: Kowa Co., Ltd.Inventors: Henk Timmerman, Mingqiang Zhang
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Patent number: 5420143Abstract: A piperadine derivative of formula (1): ##STR1## a salt thereof and a drug containing the derivative as an effective component.This compound has excellent antihistamine activity and antileukotriene activity, which are well balanced, and thus they are useful for the prevention and treatment of asthma or other allergic diseases such as allergic rhinitis, allergic dermatosis and urticaria.Type: GrantFiled: February 22, 1994Date of Patent: May 30, 1995Assignee: Kowa Co., Ltd.Inventors: Henk Timmerman, Zhang Minggiang
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Patent number: 5010095Abstract: N-(2-substituted alkyl)-N'[(imidazole-4-yl)alkylguanidines are provided by the reaction of a primary amine with benzoylisothiocyante to a benzoylthiourea derivative, followed by hydrolysis of this derivative to form the corresponding thiourea, converting this thiourea with methyliodide into an isothiourea and producing the desired compound by reaction of the isothiourea with aminopropylimidazole or aminoethylimidazole. The compound can be converted into an acid addition salt or the free compound obtained from such salt. The compounds are useful as the active ingredient in pharmaceutical compositions for the treatment of congestion, heart failure and some allergic conditions.Type: GrantFiled: November 23, 1988Date of Patent: April 23, 1991Assignee: Cedona Pharmaceuticals B.V.Inventors: Geert J. Sterk, Henk Timmerman, Henk van der Goot