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Patent Assignment Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:010892/0714   Pages: 12
Recorded: 06/23/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 50
1
Patent #:
4490557
Issue Dt:
12/25/1984
Application #:
06318615
Filing Dt:
11/05/1981
Title:
ETHYLIDENE BISFORMAMIDE, ITS PREPARATION AND USE IN PREPARING POLY( VINYLAMINE) AND SALTS THEREOF
2
Patent #:
4401516
Issue Dt:
08/30/1983
Application #:
06324411
Filing Dt:
11/24/1981
Title:
PROCESS FOR SEPARATING ACETAMIDOETHYLENE FROM CRUDE PREPARATION PRODUCTS
3
Patent #:
4578515
Issue Dt:
03/25/1986
Application #:
06618420
Filing Dt:
06/07/1984
Title:
PREPARING N-VINYL FORMAMIDE
4
Patent #:
4758250
Issue Dt:
07/19/1988
Application #:
07057135
Filing Dt:
06/01/1987
Title:
AMMONIA SEPARATION USING ION EXCHANGE POLYMERIC MEMBRANES AND SORBENTS
5
Patent #:
4843118
Issue Dt:
06/27/1989
Application #:
07064962
Filing Dt:
06/19/1987
Title:
ACIDIZED FRACTURING FLUIDS CONTAINING HIGH MOLECULAR WEIGHT POLY(VINYLAMINES) FOR ENHANCED OIL RECOVERY
6
Patent #:
4798871
Issue Dt:
01/17/1989
Application #:
07064967
Filing Dt:
06/19/1987
Title:
COMPOSITIONS CONTAINING HIGH MOLECULAR WEIGHT POLY(VINYLAMINES) FOR ENHANCED OIL RECOVERY
7
Patent #:
5144074
Issue Dt:
09/01/1992
Application #:
07159807
Filing Dt:
02/24/1988
Title:
PROCESS FOR THE SYNTHESIS OF CARBOXAMIDES
8
Patent #:
4795770
Issue Dt:
01/03/1989
Application #:
07164147
Filing Dt:
03/04/1988
Title:
CEMENT COMPOSITION FOR OIL WELL DRILLING HOLES CONTAINING HIGH MOLECULAR WEIGHT POLY (VINYLAMINES)
9
Patent #:
4804793
Issue Dt:
02/14/1989
Application #:
07164356
Filing Dt:
03/04/1988
Title:
DRILLING MUD COMPOSITIONS CONTAINING HIGH MOLECULAR WEIGHT POLY (VINYLAMINES)
10
Patent #:
5136094
Issue Dt:
08/04/1992
Application #:
07166287
Filing Dt:
03/10/1988
Title:
PROCESS FOR THE SYNTHESIS OF SECONDARY FORMAMIDES
11
Patent #:
5300566
Issue Dt:
04/05/1994
Application #:
07181887
Filing Dt:
04/15/1988
Title:
METHOD FOR PREPARING POLY(VINYL ALCOHOL)-CO-POLY(VINYLAMINE) VIA A TWO-PHASE PROCESS
12
Patent #:
4942259
Issue Dt:
07/17/1990
Application #:
07211806
Filing Dt:
06/27/1988
Title:
PROCESS FOR PREPARING N-VINYL AMIDES
13
Patent #:
4921621
Issue Dt:
05/01/1990
Application #:
07268329
Filing Dt:
11/07/1988
Title:
HYDROLYZED CO-POLYMERS OF N-VINYLAMIDE AND ACRYLAMIDE FOR USE AS WATERLOSS CONTROL ADDITIVES IN DRILLING MUD
14
Patent #:
4996322
Issue Dt:
02/26/1991
Application #:
07351987
Filing Dt:
05/15/1989
Title:
SEPARATION OF AMIDES WITH MOLECULAR SIEVES
15
Patent #:
4943676
Issue Dt:
07/24/1990
Application #:
07378731
Filing Dt:
07/12/1989
Title:
THERMOLYSIS OF POLY(N-VINYLFORMAMIDE) TO POLY(N-VINYLAMINE)
16
Patent #:
4952656
Issue Dt:
08/28/1990
Application #:
07378955
Filing Dt:
07/12/1989
Title:
MANUFACTURE OF HIGH MOLECULAR WEIGHT POLY(VINYLAMINES)
17
Patent #:
5155167
Issue Dt:
10/13/1992
Application #:
07428805
Filing Dt:
10/30/1989
Title:
VINYL ALCOHOL COPOLYMERS CONTAINING ALLYLAMINE FUNCTIONALITY
18
Patent #:
4968841
Issue Dt:
11/06/1990
Application #:
07436567
Filing Dt:
11/14/1989
Title:
SYNTHESIS OF ETHYLIDENE BISFORMAMIDE FROM VINYL ACETATE
19
Patent #:
4973410
Issue Dt:
11/27/1990
Application #:
07443304
Filing Dt:
11/29/1989
Title:
CROSSLINKED VINYLAMINE POLYMER IN ENHANCED OIL RECOVERY
20
Patent #:
5023375
Issue Dt:
06/11/1991
Application #:
07466527
Filing Dt:
01/17/1990
Title:
PROCESS FOR THE SYNTHESIS OF AMIDES FROM VINYL ACETATE
21
Patent #:
5086111
Issue Dt:
02/04/1992
Application #:
07525377
Filing Dt:
05/17/1990
Title:
AMINE FUNCTIONAL POLYMERS CONTAINING ACETAL GROUPS
22
Patent #:
5059713
Issue Dt:
10/22/1991
Application #:
07528652
Filing Dt:
05/24/1990
Title:
PROCESS FOR THE PREPARATION OF N-VINYL AMIDES
23
Patent #:
5085787
Issue Dt:
02/04/1992
Application #:
07541234
Filing Dt:
06/20/1990
Title:
CROSSLINKED VINYLAMINE POLYMER IN ENHANCED OIL RECOVERY
24
Patent #:
5117056
Issue Dt:
05/26/1992
Application #:
07631597
Filing Dt:
12/21/1990
Title:
PREPARATION OF N-(1-ALKOXYALKYL)FORMAMIDE AND BIS FORMAMIDES
25
Patent #:
5180851
Issue Dt:
01/19/1993
Application #:
07672812
Filing Dt:
03/21/1991
Title:
PREPARATION OF N-(1-ALKOXYALKYL)FORMAMIDE AND ALKYLIDENE BISFORMAMIDES USING AMINE NEUTRALIZED ION EXCHANGE RESINS
26
Patent #:
5185083
Issue Dt:
02/09/1993
Application #:
07803256
Filing Dt:
12/05/1991
Title:
SEPARATION OF SOLIDS FROM AQUEOUS SUSPENSIONS USING MODIFIED AMINE FUNCTIONAL POLYMERS
27
Patent #:
5194492
Issue Dt:
03/16/1993
Application #:
07816196
Filing Dt:
01/02/1992
Title:
TWO-PHASE PROCESS FOR PREPARING POLY(VINYL ALCOHOL)-CO-POLY (VINYLAMINE)
28
Patent #:
5232553
Issue Dt:
08/03/1993
Application #:
07826330
Filing Dt:
01/24/1992
Title:
FINES RETENTION IN PAPERMAKING WITH AMINE FUNCTIONAL POLYMERS
29
Patent #:
5281682
Issue Dt:
01/25/1994
Application #:
07845284
Filing Dt:
03/03/1992
Title:
RADIATION CURABLE COMPOSITIONS AND METHOD OF USE
30
Patent #:
5233077
Issue Dt:
08/03/1993
Application #:
07861678
Filing Dt:
04/01/1992
Title:
PREPARATION OF N-VINYL-O-ALKYL CARBAMATE
31
Patent #:
5280077
Issue Dt:
01/18/1994
Application #:
07913563
Filing Dt:
07/14/1992
Title:
PROCESS FOR THE SYNTHESIS OF OLIGOMERIC VINYLAMINES
32
Patent #:
5324787
Issue Dt:
06/28/1994
Application #:
07977973
Filing Dt:
11/18/1992
Title:
MODIFICATION OF POLY (VINYLAMINE)
33
Patent #:
5281307
Issue Dt:
01/25/1994
Application #:
08003760
Filing Dt:
01/13/1993
Title:
CROSSLINKED VINYL ALCOHOL/VINYLAMINE COPOLYMERS FOR DRY END PAPER ADDITION
34
Patent #:
5840978
Issue Dt:
11/24/1998
Application #:
08026907
Filing Dt:
03/05/1993
Title:
PROCESS FOR PREPARING ETHYLIDENE BISFORMAMIDE
35
Patent #:
5380403
Issue Dt:
01/10/1995
Application #:
08035028
Filing Dt:
03/22/1993
Title:
AMINE FUNCTIONAL POLY(VINYL ALCOHOL) FOR IMPROVING PROPERTIES OF RECYCLED PAPER
36
Patent #:
5391710
Issue Dt:
02/21/1995
Application #:
08036752
Filing Dt:
03/25/1993
Title:
PRODUCTION OF AMINE FUNCTIONAL POLYMERS HAVING IMPROVED PURITY
37
Patent #:
5401808
Issue Dt:
03/28/1995
Application #:
08036757
Filing Dt:
03/25/1993
Title:
POLY(VINYLAMMONIUM FORMATE) AND PROCESS FOR MAKING AMIDINE-CONTAINING POLYMERS
38
Patent #:
5418016
Issue Dt:
05/23/1995
Application #:
08086480
Filing Dt:
07/01/1993
Title:
COATING PROCESS USING RADIATION CURABLE COMPOSITIONS
39
Patent #:
5367035
Issue Dt:
11/22/1994
Application #:
08146261
Filing Dt:
11/02/1993
Title:
POLY(VINYLAMMONIUM FORMATE) AND PROCESS FOR MAKING THE SAME
40
Patent #:
5373076
Issue Dt:
12/13/1994
Application #:
08159639
Filing Dt:
11/30/1993
Title:
FUNCTIONAL OLIGOMERIC VINYLFORMAMIDES AND VINYLAMINES
41
Patent #:
5397436
Issue Dt:
03/14/1995
Application #:
08207460
Filing Dt:
03/07/1994
Title:
PAPER WET-STRENGTH IMPROVEMENT WITH CELLULOSE REACTIVE SIZE AND AMINE FUNCTIONAL POLY(VINYL ALCOHOL)
42
Patent #:
5519093
Issue Dt:
05/21/1996
Application #:
08241238
Filing Dt:
05/11/1994
Title:
SYNTHESIS OF AMINE FUNCTIONAL CO-AND TERPOLYMERS
43
Patent #:
5463110
Issue Dt:
10/31/1995
Application #:
08246434
Filing Dt:
05/20/1994
Title:
MICHAEL ADDUCTS OF N-VINYLFORMAMIDE AND ACRYLIC AND METHACRYLIC ESTERS
44
Patent #:
5393842
Issue Dt:
02/28/1995
Application #:
08268148
Filing Dt:
06/28/1994
Title:
POLY(VINYLAMMONIUM FORMATE)
45
Patent #:
5569725
Issue Dt:
10/29/1996
Application #:
08323210
Filing Dt:
10/14/1994
Title:
N-VINYL-N-ACYL UREA RESINS
46
Patent #:
5436299
Issue Dt:
07/25/1995
Application #:
08359487
Filing Dt:
12/20/1994
Title:
DECARBONYLATION OF N-VINYLFORMAMIDE COPOLYMERS
47
Patent #:
5491199
Issue Dt:
02/13/1996
Application #:
08392431
Filing Dt:
02/22/1995
Title:
ONE STEP PRODUCTION OF LOW SALT VINYLAMINE POLYMERS
48
Patent #:
5672731
Issue Dt:
09/30/1997
Application #:
08527311
Filing Dt:
09/13/1995
Title:
N-VINYLFORMAMIDE/ALKYL ACRYLATE MICHAEL ADDUCTS
49
Patent #:
5712411
Issue Dt:
01/27/1998
Application #:
08572416
Filing Dt:
12/14/1995
Title:
N-VINYLFORMAMIDOPROPIONATES AND PROCESS FOR THEIR SYNTHESIS
50
Patent #:
5728878
Issue Dt:
03/17/1998
Application #:
08674412
Filing Dt:
07/02/1996
Title:
FUNCTIONAL N-VINYLFORMAMIDES
Assignor
1
AIR PRODUCTS AND CHEMICALS, INC.
Exec Dt:
03/16/2000
Assignee
1
PITTSBURGH, UNIVERSITY OF
5TH AVENUE AND BIGELOW BOULEVARD
PITTSBURGH, PENNSYLVANIA 15260
Correspondence name and address
WOODCOCK WASHBURN KURTZ, ET AL.
JOHN W. CALDWELL
ONE LIBERTY PLACE, 46TH FLOOR
1650 MARKET STREET
PHILADELPIHIA, PA 19103-7301

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