Inventor · disambiguated record
Klaus Kircher
Also filed as: KIRCHER KLAUS
30 granted patents·329 citations·filing 1980–2002
97Inventor score
Top patents by PatentIndex Score
30 records- 0192US4552911APolycarbonate molding compositions having improved flame retardanceBAYER AG·Filed 1983·Granted Nov 12, 1985·51 cites·4 claims
- 0289US4649168AProcess for the preparation of flame-resistant polycarbonate moulding compositions containing tetrafluoroethylene polymersBAYER AG·Filed 1985·Granted Mar 10, 1987·50 cites·10 claims
- 0384US4753994AFlame retardant polycarbonate compositionsMOBAY CORP·Filed 1986·Granted Jun 28, 1988·35 cites·10 claims
- 0475US4456717AStabilizer compositions, their use for stabilizing thermoplastic, polycarbonates and stabilized thermoplastic polycarbonatesBAYER AG·Filed 1983·Granted Jun 26, 1984·21 cites·6 claims
- 0574US4615832AFlameproofing agents, their preparation and their use for flameproofing polycarbonatesBAYER AG·Filed 1984·Granted Oct 7, 1986·15 cites·12 claims
- 0672US6838518B2Extrudable polycarbonate molding compositionsBAYER AG·Filed 2002·Granted Jan 4, 2005·9 cites·20 claims
- 0766US4594375ABis-(imide-sulfonate) flameproofing agents, their preparation and their use for flameproofing in polycarbonateBAYER AG·Filed 1984·Granted Jun 10, 1986·5 cites·9 claims
- 0864US4627949AProcess for the preparation of shaped articles of stabilized polycarbonate by the devolatilizing injection-moulding or devolatilizing extrusion processBAYER AG·Filed 1984·Granted Dec 9, 1986·23 cites·2 claims
- 0963US5356965AFlame-resistant polycarbonate molding compositionsBAYER AG·Filed 1993·Granted Oct 18, 1994·12 cites·8 claims
- 1062US5464893ARadiation-resistant polycarbonatesBAYER AG·Filed 1994·Granted Nov 7, 1995·12 cites·16 claims
- 1160US4657955AFlameproofing agents, their preparation and their use for flameproofing polycarbonatesBAYER AG·Filed 1986·Granted Apr 14, 1987·4 cites·3 claims
- 1257US5382605APolycondensates which can be sterilized by γ-radiationMILES INC·Filed 1994·Granted Jan 17, 1995·10 cites·10 claims
- 1354US5004569AProcess for the production of carboxylic acid estersBAYER AG·Filed 1988·Granted Apr 2, 1991·4 cites·2 claims
- 1452US5158985APolycarbonate foam articlesBAYER AG·Filed 1991·Granted Oct 27, 1992·12 cites·15 claims
- 1552US4774273APerfluoroalkanesulphonic acid aryl esters as anti-drip agents in flame-repellant molding compositions based on thermoplastic aromaticpolycarbonatesBAYER AG·Filed 1985·Granted Sep 27, 1988·9 cites·16 claims
- 1645US5376715AHeat stabilization or aromatic polycarbonatesBAYER AG·Filed 1994·Granted Dec 27, 1994·7 cites·1 claims
- 1744US5202374ATernary mixturesBAYER AG·Filed 1991·Granted Apr 13, 1993·7 cites·5 claims
- 1843US5308558AProcess for foaming thermoplastic polycarbonatesBAYER AG·Filed 1993·Granted May 3, 1994·8 cites·4 claims
- 1943US4728673AProcess for the foaming of thermoplastics containing ester and/or carbonate groupsBAYER AG·Filed 1987·Granted Mar 1, 1988·8 cites·11 claims
- 2041US5612398ARadiation-resistant polycarbonatesBAYER AG·Filed 1995·Granted Mar 18, 1997·6 cites·4 claims
- 2138US5036151AMold releasel agents for poly(ester) carbonatesBAYER AG·Filed 1990·Granted Jul 30, 1991·1 cites·10 claims
- 2237US4776981AFlameproofing agents, their preparation and their use for providing polycarbonates with a flame-resistant finishBAYER AG·Filed 1987·Granted Oct 11, 1988·2 cites·2 claims
- 2335US4713462AFlameproofing agents, their preparation and their use for providing polycarbonates with a flame-resistant finishBAYER AG·Filed 1986·Granted Dec 15, 1987·0 cites·8 claims
- 2434US4797435AUse of 3-benzalphthalides as UV stabilizers for thermoplastic, aromatic polyesters, polycarbonates and polyester carbonatesBAYER AG·Filed 1987·Granted Jan 10, 1989·3 cites·6 claims
- 2533US4661543AFlameproofing agents, their preparation and their use for providing polycarbonates with a flame-resistant finishBAYER AG·Filed 1984·Granted Apr 28, 1987·2 cites·2 claims
- 2633US4521542AArylsulphonyl hydrazones as blowing agentsBAYER AG·Filed 1984·Granted Jun 4, 1985·2 cites·4 claims
- 2730US5132331APolycarbonate foamsBAYER AG·Filed 1991·Granted Jul 21, 1992·2 cites·8 claims
- 2829US4567210AProcess for foaming thermoplastic aromatic polycarbonatesBAYER AG·Filed 1985·Granted Jan 28, 1986·1 cites·6 claims
- 2927US5234982ATernary mixturesBAYER AG·Filed 1991·Granted Aug 10, 1993·1 cites·2 claims
- 3027US4372898AProcess of crosslinking electrical insulators of plastic or rubberTROESTER MASCHF PAUL·Filed 1980·Granted Feb 8, 1983·7 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →