Inventor

Elmar Wolf

Inventor

Recklinghausen, DE

Overview

1977–2003

Patent span

Chemistry

Primary field (CPC C)

Patents· 66 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds42%

C07DHeterocyclic compounds15%

C09DCoating compositions, e.g. paints, varnishes or lacquers8%

C07CAcyclic or carbocyclic compounds8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

Y10TTechnical subjects covered by former us classification6%

C08LCompositions of macromolecular compounds4%

A01DHarvesting2%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients2%

C09JAdhesives2%

PatentTitleYear

6,624,301'Process for the preparation of (cyclo)aliphatic uretdiones of improved color quality'2003 D0442972'Lawnmower'2001 6,204,351'Blocked polyisocyanates with built-in hals stabilizer'2001 5,959,023'Moisture-crosslinking PU hot-melt adhesives'1999 5,955,558'Blocked polyisocyanates with built-in HALS stabilizer'1999 5,929,241'Process for the preparation of an isocyanate-free uretdione of isophorone diisocyanate'1999 5,919,568'Powder coating and its use for coating heat-resistant substrates'1999 5,912,314'Reaction product of mixed uretdiones and a disecondary diamine'1999 5,883,249'Simplified process for preparing uretdione-functional polyaddition compounds'1999 5,859,164'Uretdione-functional polyaddition compounds, a process for their preparation, and their use'1999 5,852,154'Cold-curing, low-solvent or solvent-free 2-component polyurethane/polyurea compositions'1998 5,773,550'Polyaddition product containing isocyanurate groups and uretdione groups, and a process for preparing same'1998 5,756,634'Liquid one component PU stoving enamels'1998 5,756,819'Polyamines containing tert-butyl (meth) acrylate groups'1998 5,719,240'Compounds containing cyclic amidine and uretdione groups, a process for their preparation and the use thereof'1998 5,652,318'Process for the preparation of flexible epoxy resin systems'1997 5,633,336'Polyamines containing urea groups and process for their preparation'1997 5,621,063'Blocked polyisocyanates and a process for their preparation'1997 5,616,658'Process for the production of matt epoxy resin and hybrid powder coatings'1997 5,608,016'Salts of pyromellitic acid, and their use as epoxy resin curing agents'1997 5,556,937'Salts of pyromellitic acid, a process for their preparation, and their use'1996 5,550,206'Polyamines containing urea groups'1996 5,506,334'Salts of pyromellitic acid, a process for their preparation and their use'1996 5,494,994'Salts of pyromellitic acid, a process for their preparation and their use'1996 5,459,204'Isophorone urethane polyamine, a process for its preparation and its use'1995 5,449,827'Azomethine, a process for the preparation thereof and also its use'1995 5,449,528'Process for the production of matt epoxy resin coatings'1995 5,393,163'Lattice comprising rods and joints and the manufacture thereof'1995 5,331,078'Blocked highly functional polyisocyanate adducts, a process for the preparation thereof and the use thereof'1994 5,218,040'Light-stabile, reactive two-component PUR paints which cure at room temperature'1993 5,187,253'Method of manufacturing polyetherurethane urea amines, and use of same'1993 5,173,560'Cold-curing solvent free, duroplastic polyurethane-polyurea compounds'1992 5,153,296'Epoxide resin mixtures which harden at room temperature'1992 5,149,805'Process for the production of monoblocked diisocyanates'1992 4,970,306'Trans-cyclohexane-1,4-diisocyanate which is completely or partially blocked with epsilon-caprolactam: and the manufacture and use of the same'1990 4,952,632'Trans-cyclohexane-1,4-diisocyanate which is completely or partially blocked with epsilon-caprolactam; and the manufacture and use of the same'1990 4,782,128'Polyurethane powder coating compositions which yield a matte surface after setting'1988 4,668,780'Isocyanate-uretdiones and a method for their production'1987 4,658,005'Storage-stabile polyurethane resin powder enamels or varnishes'1987 4,495,229'One-component, heat-curing polyurethane-coatings, stable in storage'1985 4,483,798'Polyaddition products containing uretidione groups and process for their preparation'1984 4,478,031'Lawnmowers with rotatable cutting blades'1984 4,476,054'Uretidione dimer of isophorone diisocyanate and method of preparation'1984 4,469,867'Isocyanatoisocyanurates'1984 4,463,154'Polyurethane powder enamels free of cleavage products as well as enamel coatings produced from such powders'1984 4,454,317'Process for the trimerization of diisocyanates'1984 4,430,474'Stoving enamel containing blocked isocyanates'1984 4,383,076'Single component enamels based on blocked polyisocyanurate polyisocyanates'1983 4,356,307'Cyclic imides, their preparation and use'1982 4,355,058'Powdery coating media and their use'1982 4,354,014'Powdered coating compositions having good storage stability and production of same'1982 4,317,900'Isocyanatomethyl group containing urea derivatives of 3(4), 8(9)-diisocyanatomethyltricyclo [5.2.1.0.sup.2,6 ] decane, method for their production as well as their use for producing polyurethane elastomers'1982 4,313,876'Production of isophoronediisocyanate adducts containing free NCO-grops and NCO-groups end blocked with .epsilon.-caprolactam'1982 4,306,051'Isocyanurate group-and terminally blocked isocyanate group-containing compounds'1981 4,302,351'Compounds containing isocyanuric groups and terminally blocked isocyanate groups'1981 4,283,535'Method for the production of 2,4,6-triketohexahydrotriazines'1981 4,269,020'Means for impelling grass clippings in a rotary-scythe grass mower'1981 4,258,186'Process for the preparation of blocked polyisocyanates'1981 4,255,551'Coating materials and their application prepared from polyisocyanates blocked with imidazolines'1981 4,246,132'Isocyanurate group-and terminally-blocked isocyanate group-containing mixtures'1981 4,246,380'Powdery polyurethane lacquers based on polyester resins and blocked isocyanates'1981 4,242,248'Storage-stable baking lacquers prepared from polyisocyanates blocked with cyclic amidines'1980 4,210,687'Method for the coating of glass surfaces'1980 4,200,725'Method of producing blocked polyisocyanates by reaction of an imidazoline with an isocyanate'1980 4,121,405'Grass-cutting and air-impelling means for a rotary scythe lawn mower'1978 4,014,954'Method for preparing moldings and coatings'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1984Based in Herne, DE· patent location history

1978–1983Patents assigned to WOLF ELMAR (2)· patent assignee history

1980–2001Patents assigned to HUELS CHEMISCHE WERKE AG (58)· patent assignee history

1981–2001Based in Wissembourg, FR· patent location history

1982–2003Based in Recklinghausen, DE· patent location history

1983Patents assigned to GRAS RAINER (1)· patent assignee history

1995Based in Hochberg, DE· patent location history

1998Based in Rechlinghausen, DE· patent location history

2001Patents assigned to ETESAI SARL (1)· patent assignee history

2003Patents assigned to DEGUSSA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HUELS CHEMISCHE WERKE AG	58	1980–2001
WOLF ELMARself	2	1978–1983
DEGUSSA	1	2003
ETESAI SARL	1	2001
GRAS RAINER	1	1983

Locations

Location	Patents	Span
Recklinghausen, DE	42	1982–2003
Herne, DE	17	1977–1984
Wissembourg, FR	3	1981–2001
Rechlinghausen, DE	1	1998
Hochberg, DE	1	1995