USPTO Assignments on the Web

	United States Patent and Trademark Office
	Home\|Site Index\|Search\|Guides\|Contacts\|eBusiness\|eBiz alerts\|News\|Help

Assignments on the Web > Trademark Query

Trademark Assignment Assignor Details

Assignor Name : W.R. GRACE & CO. - CONN.

Total Assignments: 3

Assignment: 1

Reel/Frame:	1273/0141			Pages:	6
		Recorded:	12/29/1994
Conveyance:	ASSIGNS THE ENTIRE INTEREST AND THE GOODWILL

Assignor

W.R. GRACE & CO. - CONN.

Exec Dt:	12/28/1994
Entity Type:	CORPORATION
Citizenship:	CONNECTICUT

Assignee

PT SUB, INC.

1031 CENTRE ROAD

WILMINGTON, DELAWARE 19805

Entity Type:	CORPORATION
Citizenship:	DELAWARE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
71459077	402748	72020184	649843	72092153	706404	72126021	739815	72126022	735849
72281075	855774	72303306	871571	72316164	881546	72318353	882369	72413358	956619
72460376	993532	73129714	1097799	73244730	1162004	73318159	1236338	73377436	1250783
73388664	1263069	73388665	1260032	73401928	1282539	73519757	1362936	73578817	1404025
74077056	1710656	74236025	1736499	74284315	1752113	74357557	1865205

Correspondence name and address
	DANIEL J. SCHAEFFER, ESQ.
	KIRKLAND & ELLIS
	200 EAST RANDOLPH DRIVE
	SUITE 6100
	CHICAGO, ILLINOIS 60601

Assignment: 2

Reel/Frame:	1496/0479			Pages:	17
		Recorded:	08/19/1996
Conveyance:	ASSIGNS THE ENTIRE INTEREST

Assignor

W.R. GRACE & CO. - CONN.

Exec Dt:	06/28/1996
Entity Type:	CORPORATION
Citizenship:	CONNECTICUT

Assignee

BETZDEARBORN, INC.

4636 SOMERTON ROAD

TREVOSE, PENNSYLVANIA 19053

Entity Type:	CORPORATION
Citizenship:	PENNSYLVANIA

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
71616590	570985	71659852	612854	72020253	658048	72022665	658407	72025078	651911
72032237	671004	72053395	678074	72056390	685354	72075279	699542	72089334	735978
72097178	719143	72100014	720840	72106188	720766	72111375	729033	72112694	723245
72113404	734393	72113405	745963	72113406	732584	72119489	741042	72238633	848050
72238634	848099	72252734	832795	72252846	830046	72259314	842281	72277164	853014
72301937	876314	72423172	965866	72425508	978855	72439112	995744	72456531	983122
73043817	1037141	73099396	1079622	73145139	1091208	73181453	1116789	73194895	1141938
73245554	1202439	73291606	1215423	73307712	1222240	73316273	1233179	73316274	1220486
73319617	1222253	73332832	1226388	73348816	1252121	73350893	1237948	73360467	1244042
73364544	1332707	73388031	1337456	73429815	1305601	73430460	1308574	73481157	1326511
73538303	1373227	73606398	1426159	73624573	1444687	73672487	1504452	73751621	1538736
73751622	1538737	73751626	1547838	73751627	1546952	73751628	1547839	73825323	1611857
73836378	1605370	73836472	1601726	74041096	1655172	74088817	1746579	74100880	1841504
74100888	1900133	74106806	1840096	74149489	1737143	74181922	1742201	74209188	1776957
74209192	1772140	74214823	1784688	74288732	1803573	74406740	1897916	74631490	NONE
74658108	NONE	74662690	2027796	74662692	2144911	74662694	2091764	75009315	2013608

Correspondence name and address
	BETZDEARBORN INC.
	GIGI G. JOHNSTON
	PATENT DEPARTMENT
	4636 SOMERTON ROAD
	TREVOSE, PA 19053-6783

Assignment: 3

Reel/Frame:	2288/0793	View Recorded Assignment		Pages:	5
		Recorded:	04/27/2001
Conveyance:	ASSIGNS THE ENTIRE INTEREST

Assignor

W.R. GRACE & CO. - CONN.

Exec Dt:	08/03/2000
Entity Type:	CORPORATION
Citizenship:	CONNECTICUT

Assignee

E-CATALYSTS, INC.

SUITE 100, 700 DRESHER ROAD

HORSHAM, PENNSYLVANIA 19044

Entity Type:	CORPORATION
Citizenship:	DELAWARE

Properties

Ser. #

Reg. #

Ser. #

Reg. #

Ser. #

Reg. #

Ser. #

Reg. #

Ser. #

Reg. #

2637589

2779897

NONE

NONE

NONE

Correspondence name and address
	KAYE SCHOLER LLP
	JOHN P. RYNKIEWICZ
	SUITE 1100
	901 FIFTEENTH ST., NW
	WASHINGTON, DC 20005

Search Results as of: 04/18/2024 10:01 PM

If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6

Web interface last modified: August 25, 2017 v.2.6