| Patent | Date |
|---|
Supported catalysts containing a platinum metal and process for preparing diaryl carbonates
Grant 6,548,445 - Buysch , et al. April 15, 2 | 2003-04-15 |
One-component Stoving Composition And Use Thereof
App 20020068171 - MELCHIORS, MARTIN ; et al. | 2002-06-06 |
Method for continuous production of dihydroxydiphenylalkanes
Grant 6,294,702 - Fennhof , et al. September 25, 2 | 2001-09-25 |
Production of aromatic amines by means of novel hydrogenation catalysts
Grant 6,080,890 - Langer , et al. June 27, 2 | 2000-06-27 |
Process for producing aromatic amines by gaseous phase hydrogenation
Grant 6,043,394 - Langer , et al. March 28, 2 | 2000-03-28 |
Supported catalysts containing a platinum metal and process for preparing diaryl carbonates
Grant 6,001,768 - Buysch , et al. December 14, 1 | 1999-12-14 |
Process for the production of aromatic amines
Grant 5,877,350 - Langer , et al. March 2, 1 | 1999-03-02 |
Process for the continuous production of diaryl carbonates
Grant 5,821,377 - Buysch , et al. October 13, 1 | 1998-10-13 |
Process for producing aromatic amines
Grant 5,808,157 - Langer , et al. September 15, 1 | 1998-09-15 |
Bisphenol synthesis on modified ion-exchange resins using specially purified carbonyl compounds
Grant 5,780,690 - Berg , et al. July 14, 1 | 1998-07-14 |
Process for preparing diaryl carbonates and the polycarbonates obtainable therefrom
Grant 5,739,258 - Zaby , et al. April 14, 1 | 1998-04-14 |
Process for the manufacture of aromatic amines by gas-phase hydrogenation and catalyst useful thereof
Grant 5,679,858 - Langer , et al. October 21, 1 | 1997-10-21 |
Process for working up the liquid reaction products from the cu-catalysed preparation of dimethyl carbonate
Grant 5,550,278 - Rechner , et al. August 27, 1 | 1996-08-27 |
Reactor and continuous process to be carried out therewith for the preparation of ethylene glycol carbonate and propylene glycol carbonate
Grant 5,508,442 - Wagner , et al. April 16, 1 | 1996-04-16 |
Process for preparing diaryl carbonates
Grant 5,502,232 - Buysch , et al. March 26, 1 | 1996-03-26 |
Process for the production of polysaccharide carbonates
Grant 5,484,903 - Szablikowski , et al. January 16, 1 | 1996-01-16 |
Fixed bed reactors having a short catalyst bed in the direction of flow
Grant 5,484,576 - Langer , et al. January 16, 1 | 1996-01-16 |
Polysaccharides, process for their preparation and their use
Grant 5,463,034 - Buysch , et al. October 31, 1 | 1995-10-31 |
Stabilized, flame resistant polycarbonate moulding compounds
Grant 5,399,600 - Buysch , et al. March 21, 1 | 1995-03-21 |
Process for the continuous preparation of dialkyl carbonates
Grant 5,359,118 - Wagner , et al. October 25, 1 | 1994-10-25 |
Process for the preparation of aromatic carbonic diesters
Grant 5,354,923 - Schon , et al. October 11, 1 | 1994-10-11 |
Process for the preparation of diphenylamines
Grant 5,338,885 - Immel , et al. August 16, 1 | 1994-08-16 |
Process for the continuous preparation of diaryl carbonates from dialkyl carbonates
Grant 5,334,742 - Schon , et al. August 2, 1 | 1994-08-02 |
Phenolic resins from bisphenol a residual resins and mixtures of chloro-substituted hydrocarbons, and the use of specific phenolic resins as homogenizers for rubber vulcanizates
Grant 5,314,986 - Ooms , et al. May 24, 1 | 1994-05-24 |
Process for the production of bisphenols
Grant 5,302,774 - Berg , et al. April 12, 1 | 1994-04-12 |
Process for the preparation of high molecular weight polyamides
Grant 5,250,619 - Heinz , et al. October 5, 1 | 1993-10-05 |
Production of caprolactam by thermal depolymerization of polyamide 6
Grant 5,233,037 - Nielinger , et al. August 3, 1 | 1993-08-03 |
Use of certain phenolic resins for reinforcing rubber vulcanizates
Grant 5,214,100 - Abele , et al. May 25, 1 | 1993-05-25 |
Process for the preparation of diphenylamines
Grant 5,196,592 - Immel , et al. March 23, 1 | 1993-03-23 |
Trialkylsilyloxy-1,1-diphenyl ethylenes and polymers produced therewith
Grant 5,153,291 - Leitz , et al. October 6, 1 | 1992-10-06 |
Process for the preparation of carbonic acid diesters containing at least one aromatic ester group
Grant 5,149,856 - Schon , et al. September 22, 1 | 1992-09-22 |
Polydiorganosiloxane-polycarbonate block co-codensates with improved protection against UV light
Grant 5,137,949 - Paul , et al. August 11, 1 | 1992-08-11 |
Coextruded double walled sheet of linear polycarbonate resin
Grant 5,108,835 - Hahnsen , et al. April 28, 1 | 1992-04-28 |
Carbonic acid esters of polysaccharides and a process for their production
Grant 5,068,321 - Buysch , et al. November 26, 1 | 1991-11-26 |
Stabilized aliphatic polycarbonates
Grant 5,064,885 - Muller , et al. November 12, 1 | 1991-11-12 |
Branched thermoplastic polycarbonates having improved protection against UV light
Grant 5,001,177 - Winfried , et al. March 19, 1 | 1991-03-19 |
Process for the preparation of aliphatic polycarbonates with alkoxy silane initiator
Grant 4,879,367 - Piejko , et al. November 7, 1 | 1989-11-07 |
Process for the preparation of cyclic aliphatic orthocarbonic esters new cyclic orthocarbonic esters
Grant 4,851,550 - Mues , et al. July 25, 1 | 1989-07-25 |
Process for the preparation of linear aliphatic polycarbonate from cyclic aliphatic carbonate
Grant 4,754,017 - Leitz , et al. June 28, 1 | 1988-06-28 |
Process for the production of light-stable, solvent-resistant polyurethane-urea elastomer coatings by reactive coating
Grant 4,687,830 - Weber , et al. August 18, 1 | 1987-08-18 |
Polyamides having high notched impact strength and high fluidity in the molten state
Grant 4,656,228 - Richter , et al. April 7, 1 | 1987-04-07 |
Antiagers and polymers containing them
Grant 4,654,387 - Buysch , et al. March 31, 1 | 1987-03-31 |
Stabilized lubricants based on polyethers
Grant 4,627,929 - Buysch , et al. December 9, 1 | 1986-12-09 |
Process for preparing cyclic N-vinylacylamines
Grant 4,511,722 - Krimm , et al. April 16, 1 | 1985-04-16 |
Cyclic carbonic acid derivatives
Grant 4,440,937 - Krimm , et al. April 3, 1 | 1984-04-03 |
Process for the preparation of dialkyl carbonates
Grant 4,434,105 - Buysch , et al. February 28, 1 | 1984-02-28 |
Copolymers of cyclic carbonic acid esters and lactams and their production
Grant 4,431,795 - Krimm , et al. February 14, 1 | 1984-02-14 |
Stabilized thermoplastic moulding compositions
Grant 4,381,359 - Idel , et al. April 26, 1 | 1983-04-26 |
Copolymers based on aliphatic polycarbonates and lactams
Grant 4,377,670 - Krimm , et al. March 22, 1 | 1983-03-22 |
Process for the preparation of aromatic polycarbonates
Grant 4,330,665 - Krimm , et al. May 18, 1 | 1982-05-18 |
Process for the preparation of dialkyl carbonates
Grant 4,307,032 - Krimm , et al. December 22, 1 | 1981-12-22 |
Cyclic phosphorous acid esters
Grant 4,252,750 - Buysch , et al. February 24, 1 | 1981-02-24 |
Process for the preparation of dialkyl carbonates
Grant 4,181,676 - Buysch , et al. January 1, 1 | 1980-01-01 |
Process for preparing geminal dihalides
Grant 4,044,060 - Buysch , et al. August 23, 1 | 1977-08-23 |
Condensation resins of phenols and .alpha.,.alpha.'-dihydroxy-diisopropyl benzenes
Grant 3,979,462 - Krimm , et al. September 7, 1 | 1976-09-07 |
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